{"id":60564,"date":"2026-10-14T13:11:39","date_gmt":"2026-10-14T10:11:39","guid":{"rendered":"https:\/\/snov.io\/blog\/?p=60564"},"modified":"2026-10-14T13:11:39","modified_gmt":"2026-10-14T10:11:39","slug":"email-verification-best-practice","status":"publish","type":"post","link":"https:\/\/snov.io\/blog\/email-verification-best-practice\/","title":{"rendered":"Must-Know Email Verification Best Practices for Unmatched Deliverability"},"content":{"rendered":"<p><a href=\"https:\/\/www.mailgun.com\/state-of-email-deliverability\/chapter\/list-building-hygiene\" target=\"_blank\" rel=\"noopener\">Mailgun research<\/a> shows that 39% of senders rarely or never verify their lists. That makes verification a rare kind of cheat code: little effort for a huge payoff.<\/p>\n<p>So, how do you make verification count? This guide breaks it down.<\/p>\n    <!--On the landing page, we use the .hero-section__form-wrapper selector-->\n    <div class=\"email-verifier__form-wrapper\">\n        <div class=\"email-verifier__form limit-wrapper\">\n            <div class=\"email-verifier__form-title\">\n                <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/themes\/blog-n\/assets\/img\/broken-heart.png\" alt=\"broken heart\"\n                     title=\"broken heart\" height=\"38\" width=\"24\"\/>\n            <\/div>\n            <div class=\"email-verifier__form-sub-title\"><\/div>\n            <div class=\"email-verifier__form-btn\">\n                <a class=\"btn-background-hover\" id=\"limitBtn\" rel=\"nofollow\" href=\"https:\/\/app.snov.io\/register?lang=en&amp;signup_source=landing&amp;signup_page=snov.io%2Fblog&amp;cta_type=button\">Sign up for free<\/a>\n            <\/div>\n        <\/div>\n        <form class=\"email-verifier__form\" id=\"emailVerifier\" novalidate=\"novalidate\">\n            <div class=\"email-verifier__form-title\">\n                <h2>Verify an email address for free<\/h2>\n            <\/div>\n            <div class=\"email-verifier__form-input\">\n                <input id=\"emailVerifierInput\" type=\"email\" name=\"email\" placeholder=\"Enter an email address to verify it\" data-validate=\"required email\"\n                       data-message-required=\"Please enter a valid email.\"\n                       data-message-email=\"Please enter a valid email.\"\/>\n                <button class=\"btn-background-hover\" id=\"emailVerifierBtn\">\n                    <svg class=\"loader\" width=\"19\" height=\"18\" viewBox=\"0 0 19 18\" fill=\"none\"\n                         xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                        <mask id=\"mask-email-verifier-btn\" fill=\"white\">\n                            <path\n                                    d=\"M19 9C19 7.21997 18.4722 5.47991 17.4832 3.99987C16.4943 2.51982 15.0887 1.36627 13.4441 0.685084C11.7996 0.00389522 9.99002 -0.174335 8.24419 0.172933C6.49836 0.5202 4.89471 1.37737 3.63604 2.63604C2.37736 3.89471 1.5202 5.49836 1.17293 7.24419C0.825665 8.99002 1.0039 10.7996 1.68509 12.4442C2.36627 14.0887 3.51983 15.4943 4.99987 16.4832C6.47991 17.4722 8.21997 18 10 18L10 15.75C8.66498 15.75 7.35994 15.3541 6.2499 14.6124C5.13987 13.8707 4.27471 12.8165 3.76381 11.5831C3.25292 10.3497 3.11925 8.99251 3.3797 7.68314C3.64015 6.37377 4.28302 5.17104 5.22703 4.22703C6.17103 3.28303 7.37377 2.64015 8.68314 2.3797C9.99251 2.11925 11.3497 2.25292 12.5831 2.76381C13.8165 3.2747 14.8707 4.13987 15.6124 5.2499C16.3541 6.35993 16.75 7.66498 16.75 9H19Z\"\/>\n                        <\/mask>\n                        <path\n                                d=\"M19 9C19 7.21997 18.4722 5.47991 17.4832 3.99987C16.4943 2.51982 15.0887 1.36627 13.4441 0.685084C11.7996 0.00389522 9.99002 -0.174335 8.24419 0.172933C6.49836 0.5202 4.89471 1.37737 3.63604 2.63604C2.37736 3.89471 1.5202 5.49836 1.17293 7.24419C0.825665 8.99002 1.0039 10.7996 1.68509 12.4442C2.36627 14.0887 3.51983 15.4943 4.99987 16.4832C6.47991 17.4722 8.21997 18 10 18L10 15.75C8.66498 15.75 7.35994 15.3541 6.2499 14.6124C5.13987 13.8707 4.27471 12.8165 3.76381 11.5831C3.25292 10.3497 3.11925 8.99251 3.3797 7.68314C3.64015 6.37377 4.28302 5.17104 5.22703 4.22703C6.17103 3.28303 7.37377 2.64015 8.68314 2.3797C9.99251 2.11925 11.3497 2.25292 12.5831 2.76381C13.8165 3.2747 14.8707 4.13987 15.6124 5.2499C16.3541 6.35993 16.75 7.66498 16.75 9H19Z\"\n                                stroke=\"white\" stroke-width=\"4\" mask=\"url(#mask-email-verifier-btn)\"\/>\n                    <\/svg>\n                    <span class=\"default-text\">Verify<\/span>\n                <\/button>\n            <\/div>\n        <\/form>\n        <div class=\"email-verifier__form-result empty\">\n            <div class=\"email-verifier__form-result-head\">\n          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<path\n                                    d=\"M12.001 21.998C17.524 21.998 22.001 17.521 22.001 11.998C22.001 6.47505 17.524 1.99805 12.001 1.99805C6.47798 1.99805 2.00098 6.47505 2.00098 11.998C2.00098 17.521 6.47798 21.998 12.001 21.998Z\"\n                                    fill=\"white\" stroke=\"white\" stroke-width=\"2\" stroke-linejoin=\"round\"\/>\n                            <path d=\"M15.502 8.99805V9.49805M8.50195 8.99805V9.49805M8.50195 15.998L15.502 14.998\"\n                                  stroke=\"black\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                        <\/mask>\n                        <g mask=\"url(#mask-email-verifier-blacklist)\">\n                            <path d=\"M0 0H24V24H0V0Z\" fill=\"black\"\/>\n                        <\/g>\n                    <\/svg>\n                    <svg class=\"icon greylisted\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\"\n                         xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                        <path fill=\"#B64231\"\n                              d=\"M2 12C2 6.477 6.477 2 12 2C17.523 2 22 6.477 22 12C22 17.523 17.523 22 12 22C6.477 22 2 17.523 2 12ZM17.5 8.25C17.5 8.05109 17.421 7.86032 17.2803 7.71967C17.1397 7.57902 16.9489 7.5 16.75 7.5C16.5511 7.5 16.3603 7.57902 16.2197 7.71967C16.079 7.86032 16 8.05109 16 8.25V9C15.5343 8.37902 14.9303 7.875 14.2361 7.52786C13.5418 7.18073 12.7762 7 12 7C11.2751 6.99931 10.5587 7.15659 9.90071 7.46088C9.24273 7.76518 8.65895 8.20918 8.19 8.762C8.0611 8.91357 7.9977 9.11014 8.01373 9.30846C8.02977 9.50678 8.12393 9.6906 8.2755 9.8195C8.42707 9.9484 8.62364 10.0118 8.82196 9.99577C9.02028 9.97973 9.2041 9.88557 9.333 9.734C9.71158 9.28828 10.1958 8.94452 10.7414 8.73414C11.2871 8.52375 11.8768 8.45343 12.4566 8.52961C13.0364 8.60579 13.5879 8.82604 14.0606 9.17024C14.5334 9.51444 14.9124 9.97161 15.163 10.5H13.75C13.5511 10.5 13.3603 10.579 13.2197 10.7197C13.079 10.8603 13 11.0511 13 11.25C13 11.4489 13.079 11.6397 13.2197 11.7803C13.3603 11.921 13.5511 12 13.75 12H16.75C16.9489 12 17.1397 11.921 17.2803 11.7803C17.421 11.6397 17.5 11.4489 17.5 11.25V8.25ZM7.25 16.5C7.44891 16.5 7.63968 16.421 7.78033 16.2803C7.92098 16.1397 8 15.9489 8 15.75V15C8.46574 15.621 9.06965 16.125 9.76393 16.4721C10.4582 16.8193 11.2238 17 12 17C12.7246 17.0008 13.4407 16.8438 14.0985 16.5398C14.7563 16.2359 15.34 15.7923 15.809 15.24C15.938 15.0886 16.0016 14.8921 15.9858 14.6937C15.9699 14.4954 15.8759 14.3115 15.7245 14.1825C15.5731 14.0535 15.3766 13.9899 15.1782 14.0057C14.9799 14.0216 14.796 14.1156 14.667 14.267C14.2883 14.7127 13.8041 15.0564 13.2584 15.2667C12.7127 15.477 12.123 15.5472 11.5432 15.471C10.9633 15.3947 10.4119 15.1743 9.93914 14.83C9.46641 14.4857 9.08749 14.0285 8.837 13.5H10.25C10.4489 13.5 10.6397 13.421 10.7803 13.2803C10.921 13.1397 11 12.9489 11 12.75C11 12.5511 10.921 12.3603 10.7803 12.2197C10.6397 12.079 10.4489 12 10.25 12H7.25C7.05109 12 6.86032 12.079 6.71967 12.2197C6.57902 12.3603 6.5 12.5511 6.5 12.75V15.75C6.5 16.164 6.836 16.5 7.25 16.5Z\"\/>\n                    <\/svg>\n                <\/div>\n                <p class=\"title\"><\/p>\n            <\/div>\n            <div class=\"email-verifier__form-result-content\">\n                <div class=\"description\">\n                    <p><\/p>\n                <\/div>\n                <div class=\"info\">\n                    <div class=\"info__item\" id=\"format\">\n                        <div class=\"info__item-head\">\n                            <div class=\"info__item-head-title\">\n                                <p>Format<\/p>\n                            <\/div>\n                            <div class=\"info__item-head-label\">\n                                <span><\/span>\n                            <\/div>\n                        <\/div>\n                        <div class=\"info__item-description\">\n                            <p><\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"info__item\" id=\"type\">\n                        <div class=\"info__item-head\">\n                            <div class=\"info__item-head-title\">\n                                <p>Type<\/p>\n                            <\/div>\n                            <div class=\"info__item-head-label\">\n                                <span><\/span>\n                            <\/div>\n                        <\/div>\n                        <div class=\"info__item-description\">\n                            <p><\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"info__item\" id=\"serverStatus\">\n                        <div class=\"info__item-head\">\n                            <div class=\"info__item-head-title\">\n                                <p>Server status<\/p>\n                            <\/div>\n                            <div class=\"info__item-head-label\">\n                                <span><\/span>\n                            <\/div>\n                        <\/div>\n                        <div class=\"info__item-description\">\n                            <p><\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"info__item\" id=\"autoGenerated\">\n                        <div class=\"info__item-head\">\n                            <div class=\"info__item-head-title\">\n                                <p>Auto-generated<\/p>\n                            <\/div>\n                            <div class=\"info__item-head-label\">\n                                <span><\/span>\n                            <\/div>\n                        <\/div>\n                        <div class=\"info__item-description\">\n                            <p><\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"info__item\" id=\"catchAll\">\n                        <div class=\"info__item-head\">\n                            <div class=\"info__item-head-title\">\n                                <p>Catch-all<\/p>\n                            <\/div>\n                            <div class=\"info__item-head-label\">\n                                <span><\/span>\n                            <\/div>\n                        <\/div>\n                        <div class=\"info__item-description\">\n                            <p><\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n            <div class=\"email-verifier__form-result-btn\">\n                <a class=\"btn-background-hover\" rel=\"nofollow\" href=\"https:\/\/app.snov.io\/register?lang=en&amp;signup_source=landing&amp;signup_page=snov.io%2Fblog&amp;cta_type=button\">Sign up and get 50 free email verification checks.<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n\n    <script type=\"text\/javascript\" id=\"form-result\">\n        var resultStrings = {\n            'limit_title': `You\u2019ve hit your free verification limit`,\n            'limit_description': `Want to get up to <span>50 email verifications<\/span> for free every month? <br> Register at Snov.io to secure your freemium and unlock more sales tools.`,\n            'result_title_valid': `<span class='email'><\/span> is valid`,\n            'result_title_not_valid': `<span class='email'><\/span> is invalid`,\n            'result_title_unknown': `<span class='email'><\/span> is unverifiable and risky`,\n            'result_title_blacklist': `<span class='email'><\/span> is on the blacklist`,\n            'result_title_greylisted': `<span class='email'><\/span> is greylisted`,\n            'result_description_valid': `You can safely send emails to this contact.`,\n            'result_description_not_valid': `We don't recommend sending to this email, as it\u2019s likely to bounce and could harm your deliverability.`,\n            'result_description_unknown': `We don't recommend contacting this address, as the email is likely to bounce.`,\n            'result_description_greylisted': `This email domain uses greylisting technology, which temporarily blocks our verification attempts. We'll retry fetching the results later.`,\n            'result_info_label_1': `Valid`,\n            'result_info_label_2': `Invalid`,\n            'result_info_label_3': `Professional`,\n            'result_info_label_4': `Personal`,\n            'result_info_label_5': `False`,\n            'result_info_label_6': `True`,\n            'result_info_label_7': `Unknown`,\n            'result_info_label_8': `Greylisted`,\n            'result_info_format_false': `The email address follows the correct structure but is either improperly formatted or contains gibberish.`,\n            'result_info_format_true': `The email address contains valid symbols in the correct order.`,\n            'result_info_type_false': `The domain is not associated with webmail.`,\n            'result_info_type_true': `This email address is registered under a webmail provider.`,\n            'result_info_server_status_valid': `The email address has successfully passed the SMTP verification check and is deliverable.`,\n            'result_info_server_status_other': `Deliverability risk detected: the email server doesn't respond or blocks verification attempts.`,\n            'result_info_auto_generated_false': `The email is not from a disposable service.`,\n            'result_info_auto_generated_true': `This email is auto-generated, so it may be unreliable for direct communication or long-term use.`,\n            'result_info_catch_all_false': `The domain is not catch-all.`,\n            'result_info_catch_all_true': `The domain accepts all emails, even nonexistent ones, which risks your sender reputation.`,\n        };\n    <\/script>\n\n    \n<h2>TL;DR<\/h2>\n<p>Invalid addresses can turn into hard bounces, which can hurt your sender reputation and, eventually, your email deliverability. Verification helps break that chain by catching problematic addresses before you send.<\/p>\n<p>With that in mind, here are a few practices worth adopting:<\/p>\n<ul>\n<li>Verify at capture so invalid addresses don\u2019t enter your database in the first place.<\/li>\n<li>Run checks 24\u201348 hours before major campaigns and reverify your database every 3\u20136 months.<\/li>\n<li>Keep Invalid addresses out of your campaigns, and recheck or segment Unknown ones rather than automatically discarding them.<\/li>\n<li>Watch bounce rate, spam complaints, and inbox placement for signs your list needs attention.<\/li>\n<li>Automate recurring checks and keep user-facing verification secure and low-friction.<\/li>\n<\/ul>\n<p>For these checks, Snov.io Email Verifier works with individual emails, bulk lists, and API-based workflows.<\/p>\n<div class=\"content-banner purple\">\n<p class=\"content-banner__title\">Stop spending on emails that bounce<\/p>\n<p class=\"content-banner__description\">Verify your contacts with Snov.io<\/p>\n<div class=\"content-banner__link\"><a href=\"https:\/\/app.snov.io\/register?lang=en&amp;signup_source=blog&amp;signup_page=snov.io%2Fblog%2Fsales-email-templates&amp;cta_type=banner\">Start for free<\/a><\/div>\n<\/div>\n<h2>Why email verification matters for deliverability<\/h2>\n<p>The short version: Email verification catches invalid addresses before they bounce, protecting the sender reputation (how mailbox providers assess you as a sender) that helps determine whether your emails get delivered and where they land.<a href=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Why-email-verification-matters-for-deliverability.png\" data-fancybox=\"\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Why-email-verification-matters-for-deliverability.png\" alt=\"Why email verification matters for deliverability\" width=\"745\" height=\"373\" class=\"aligncenter wp-image-60587\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Why-email-verification-matters-for-deliverability.png 1774w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Why-email-verification-matters-for-deliverability-300x150.png 300w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Why-email-verification-matters-for-deliverability-1024x512.png 1024w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Why-email-verification-matters-for-deliverability-768x384.png 768w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Why-email-verification-matters-for-deliverability-1536x768.png 1536w\" sizes=\"(max-width: 745px) 100vw, 745px\" \/> <\/a><\/p>\n<p>Now, a few more details.<\/p>\n<p>Are invalid emails really that big of a deal? To be fair, 1 or 2 bounces probably won\u2019t ruin your deliverability overnight, but let them pile up, and that\u2019s a different story.<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/7sGLsrSs2w0?si=bdnA-KGy9qR5HTFe\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>The more invalid addresses you contact, the more likely you\u2019ll see your bounce rate climb \u2014 a problem <a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/state-of-deliverability-takeaways\/\" target=\"_blank\" rel=\"noopener\">28.4%<\/a> of senders are already hardly keeping under control.<\/p>\n<p>Eventually, that can:<\/p>\n<ul>\n<li>Signal poor email list quality<\/li>\n<li>Hurt your sender reputation<\/li>\n<li>Make it harder to reach valid recipients<\/li>\n<\/ul>\n<p>It feels like common sense to catch a low-quality address early rather than discover it through a bounce.<\/p>\n<blockquote class=\"blockquote-with__image\"><p>Email service providers closely monitor your activity, track the percentage of your bounces, and give them even the slightest hint \u2014 and the reputation of a spammer gets stuck to you. To avoid this, there is email verification. Run your contact list through 2 different email validation services to clean it up. How often, you ask? Every time before launching a campaign.<\/p>\n<div class=\"blockquote-image\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2024\/11\/Dmytro-Krasiuk.png\" alt=\"Dmytro Krasiuk \" width=\"48\" height=\"48\" \/><\/p>\n<div class=\"blockquote-image__info\">\n<p class=\"blockquote-image__info-author\">Dmytro Krasiuk<\/p>\n<p class=\"blockquote-image__info-position\">Outbound Expert at Snov.io<\/p>\n<\/div>\n<\/div>\n<\/blockquote>\n<h2>Email verification best practices for a clean list<\/h2>\n<p>The following email verification best practices, when implemented well, can become a simple routine that pays enormous dividends with little effort.<\/p>\n<h3>Verify emails as you collect them<\/h3>\n<p>What\u2019s the easiest way to deal with dead addresses? Never let them make it onto your list in the first place.<\/p>\n<p>Set up real-time verification to check addresses as soon as they\u2019re submitted. This way, you can catch typos, <a href=\"https:\/\/snov.io\/blog\/how-to-tell-if-an-email-is-fake\/\">fake addresses<\/a>, and disposable emails right at the source.<\/p>\n<p>The good news is you can fully outsource this task to Snov.io\u2019s <a href=\"https:\/\/snov.io\/blog\/email-verification-api\/\">Verification API<\/a>.<\/p>\n<div class=\"tip-box tip-box--orange\">\n<div class=\"tip-box__header\"><svg class=\"tip-box__icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M2.5 5.15771C2.5 4.05315 3.39543 3.15771 4.5 3.15771H8.5C9.60457 3.15771 10.5 4.05315 10.5 5.15771V9.15771C10.5 10.2623 9.60457 11.1577 8.5 11.1577H4.5C3.39543 11.1577 2.5 10.2623 2.5 9.15771V5.15771Z\" fill=\"currentColor\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M14.5 13.1577C13.3954 13.1577 12.5 14.0531 12.5 15.1577V19.1577C12.5 20.2623 13.3954 21.1577 14.5 21.1577H18.5C19.6046 21.1577 20.5 20.2623 20.5 19.1577V15.1577C20.5 14.0531 19.6046 13.1577 18.5 13.1577H14.5ZM15.5 15.1577C14.9477 15.1577 14.5 15.6054 14.5 16.1577V18.1577C14.5 18.71 14.9477 19.1577 15.5 19.1577H17.5C18.0523 19.1577 18.5 18.71 18.5 18.1577V16.1577C18.5 15.6054 18.0523 15.1577 17.5 15.1577H15.5Z\" fill=\"currentColor\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M4.5 13.1577C3.39543 13.1577 2.5 14.0531 2.5 15.1577V19.1577C2.5 20.2623 3.39543 21.1577 4.5 21.1577H8.5C9.60457 21.1577 10.5 20.2623 10.5 19.1577V15.1577C10.5 14.0531 9.60457 13.1577 8.5 13.1577H4.5ZM5.5 15.1577C4.94772 15.1577 4.5 15.6054 4.5 16.1577V18.1577C4.5 18.71 4.94772 19.1577 5.5 19.1577H7.5C8.05228 19.1577 8.5 18.71 8.5 18.1577V16.1577C8.5 15.6054 8.05228 15.1577 7.5 15.1577H5.5Z\" fill=\"currentColor\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M14.5 3.15771C13.3954 3.15771 12.5 4.05315 12.5 5.15771V9.15771C12.5 10.2623 13.3954 11.1577 14.5 11.1577H18.5C19.6046 11.1577 20.5 10.2623 20.5 9.15771V5.15771C20.5 4.05315 19.6046 3.15771 18.5 3.15771H14.5ZM15.5 5.15771C14.9477 5.15771 14.5 5.60543 14.5 6.15771V8.15771C14.5 8.71 14.9477 9.15771 15.5 9.15771H17.5C18.0523 9.15771 18.5 8.71 18.5 8.15771V6.15771C18.5 5.60543 18.0523 5.15771 17.5 5.15771H15.5Z\" fill=\"currentColor\"><\/path><\/svg><span class=\"tip-box__title\">Case-study<\/span><\/div>\n<div class=\"tip-box__body\">\n<p>NexTranslate, a localization company working with SaaS and digital businesses, learned this firsthand. The team added Snov.io verification right after finding new prospects and before adding them to outreach campaigns, helping reduce bounces, grow reply rate by 12%, and improve deliverability.<\/p>\n<\/div>\n<\/div>\n<p>But checking whether an address is valid is only half the story. What about whether someone actually meant to give it to you?<\/p>\n<p>For subscriber lists, double opt-in helps you find the middle ground: users confirm their signup before joining your active list, leaving you with fewer accidental contacts.<a href=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Double-opt-in.png\" data-fancybox=\"\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Double-opt-in.png\" alt=\"Double opt-in best email verification practice\" width=\"458\" height=\"500\" class=\"aligncenter wp-image-60594\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Double-opt-in.png 939w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Double-opt-in-275x300.png 275w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Double-opt-in-768x838.png 768w\" sizes=\"(max-width: 458px) 100vw, 458px\" \/> <\/a><\/p>\n<p>Sure, you may end up with fewer contacts, but you\u2019re also less likely to keep people who never meant to subscribe.<\/p>\n<h3>Verify your list before major campaigns<\/h3>\n<p>Even if your list was clean when you collected it, quite a lot can change by the time you actually use it, which is why I\u2019d run one final verification 24\u201348 hours before a major campaign.<\/p>\n<p>This is especially worth doing before product launches, promotions, or any campaign involving older data.<\/p>\n<p>And luckily, list size doesn\u2019t have to make this complicated. With Snov.io <a href=\"https:\/\/snov.io\/email-verifier\">Email Verifier<\/a>, you can bulk verify up to 100,000 addresses at once.<\/p>\n<p><!--ARCADE EMBED START--><script> function onArcadeIframeMessage(e) { if (e.origin !== 'https:\/\/demo.arcade.software' || !e.isTrusted) return; const arcadeIframe = document.querySelector(`iframe[src*=${e.data.id}]`); if (!arcadeIframe || !arcadeIframe.contentWindow) return; if (e.data.event === 'arcade-init') { arcadeIframe.contentWindow.postMessage({event: 'register-popout-handler'}, '*'); } if (e.data.event === 'arcade-popout-open') { arcadeIframe.style['position'] = 'fixed'; arcadeIframe.style['z-index'] = '9999999'; } if (e.data.event === 'arcade-popout-close') { arcadeIframe.style['position'] = 'absolute'; arcadeIframe.style['z-index'] = 'auto'; } } window.addEventListener('message', onArcadeIframeMessage); <\/script><\/p>\n<div style=\"position: relative; padding-bottom: calc(56.59863945578232% + 41px); height: 0; width: 100%;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; color-scheme: light;\" src=\"https:\/\/demo.arcade.software\/4MPzsU6FvJj7s3E6Bdlb?embed&amp;embed_mobile=modal&amp;embed_desktop=inline&amp;show_copy_link=true\" title=\"Introduction to Email Verifier\" frameborder=\"0\" loading=\"lazy\" webkitallowfullscreen=\"webkitallowfullscreen\" mozallowfullscreen=\"mozallowfullscreen\" allowfullscreen=\"allowfullscreen\" allow=\"clipboard-write\"><\/iframe><\/div>\n<p><!--ARCADE EMBED END--><\/p>\n<p>Just upload your list to the Email Verifier and run the check before adding it to your campaign.<\/p>\n<div class=\"content-banner purple\">\n<p class=\"content-banner__title\">Test-drive Snov.io for bulk verification<\/p>\n<p class=\"content-banner__description\">Ensure you always reach the inbox, no matter how many prospects are on your list.<\/p>\n<div class=\"content-banner__link\"><a href=\"https:\/\/app.snov.io\/register?lang=en&amp;signup_source=blog&amp;signup_page=snov.io%2Fblog%2Fsales-email-templates&amp;cta_type=banner\">Try now<\/a><\/div>\n<\/div>\n<h3>Reverify old email addresses<\/h3>\n<p>An address won\u2019t stay valid forever. People change jobs, mailboxes get abandoned, and domains change, all outside your control.<\/p>\n<p>But what you can control is how often you perform checks. Snov.io\u2019s deliverability expert specifically recommends a full database check every 3\u20136 months.<\/p>\n<p><a href=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-often-to-verify-emails.png\" data-fancybox=\"\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-often-to-verify-emails.png\" alt=\"How often to verify emails\" width=\"745\" height=\"497\" class=\"aligncenter wp-image-60596\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-often-to-verify-emails.png 1536w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-often-to-verify-emails-300x200.png 300w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-often-to-verify-emails-1024x683.png 1024w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-often-to-verify-emails-768x512.png 768w\" sizes=\"(max-width: 745px) 100vw, 745px\" \/> <\/a><\/p>\n<p>And sure, having a schedule in mind helps, but it doesn\u2019t mean ignoring the bigger picture. If you haven\u2019t used a list in months or your bounce rate is rising, those are good reasons to verify sooner.<\/p>\n<p>So, what can we take from all this? A full database check every 3\u20136 months is solid, but ultimately, the faster your data changes, the more often you need to verify it.<\/p>\n<h3>Segment inactive contacts<\/h3>\n<p>Once verification is done, you\u2019ll usually see one of 3 results: valid, invalid, or unknown\/unverifiable.<\/p>\n<p><a href=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-to-treat-email-verification-results.png\" data-fancybox=\"\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-to-treat-email-verification-results.png\" alt=\"How to treat email verification results\" width=\"745\" height=\"373\" class=\"aligncenter wp-image-60597\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-to-treat-email-verification-results.png 1774w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-to-treat-email-verification-results-300x150.png 300w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-to-treat-email-verification-results-1024x512.png 1024w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-to-treat-email-verification-results-768x384.png 768w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/How-to-treat-email-verification-results-1536x768.png 1536w\" sizes=\"(max-width: 745px) 100vw, 745px\" \/> <\/a><\/p>\n<p>The first 2 are pretty black and white, but the third needs a little more thought.<\/p>\n<p>So, what do you do with that \u2018on the fence\u2019 category?<\/p>\n<p>Don\u2019t always read unknown as invalid. Sometimes the receiving server simply doesn\u2019t provide enough information because of <a href=\"https:\/\/snov.io\/blog\/how-to-verify-catch-all-emails\">catch-all settings<\/a>, greylisting, rate limits, or other restrictions.<\/p>\n<p>The solution comes down to how much risk you\u2019re willing to take. Your options are reverifying the address later, keeping it in a separate segment, or testing a small portion and monitoring the results.<\/p>\n<p>And if some contacts stay inactive even after you\u2019ve rechecked them, that\u2019s where a sunset policy can come in handy.<\/p>\n<p><a href=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Sunset-policy-email-verification-best-practice.png\" data-fancybox=\"\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Sunset-policy-email-verification-best-practice.png\" alt=\"Sunset policy email verification best practice\" width=\"745\" height=\"373\" class=\"aligncenter wp-image-60598\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Sunset-policy-email-verification-best-practice.png 1774w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Sunset-policy-email-verification-best-practice-300x150.png 300w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Sunset-policy-email-verification-best-practice-1024x512.png 1024w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Sunset-policy-email-verification-best-practice-768x384.png 768w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Sunset-policy-email-verification-best-practice-1536x768.png 1536w\" sizes=\"(max-width: 745px) 100vw, 745px\" \/> <\/a><\/p>\n<p>Set a point at which inactivity becomes a reason to move a contact out of your main list or into a re-engagement flow. What that point looks like depends on how often you send. Two months of silence means something very different for a weekly sender than for a monthly one.<\/p>\n<h3>Automate where possible<\/h3>\n<p>The less verification depends on someone remembering to run it, the better.<\/p>\n<p>Whether it\u2019s real-time validation at the point of capture, as we discussed earlier, or regular checks on existing data, automate as much as you can. With the n8n tool, for example, you can trigger verification when new contacts come in and automatically pass the results to your CRM.<\/p>\n<blockquote style=\"--note-bg: #F7F9FC;\"><p>\u2192 Learn how to build an effective <a href=\"https:\/\/snov.io\/blog\/n8n-cold-email-automation\/\">n8n email automation workflow<\/a> in 2026<\/p><\/blockquote>\n<h3>Test your deliverability<\/h3>\n<p>Don\u2019t let a clean email verification give you a false sense of security. A valid address can still land in spam if other parts of your sending setup aren\u2019t in order. Authentication issues, spam complaints, and poor sending practices all come into play.<\/p>\n<p>Snov.io\u2019s <a href=\"https:\/\/snov.io\/email-deliverability-test\">Deliverability Test<\/a> can show you where the problem lies, checking your authentication and domain health along with actual inbox and spam placement.<\/p>\n<p><a href=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Snov.io-deliverability-check.png\" data-fancybox=\"\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Snov.io-deliverability-check.png\" alt=\" Snov.io deliverability check\" width=\"745\" height=\"387\" class=\"aligncenter wp-image-60599\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Snov.io-deliverability-check.png 1999w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Snov.io-deliverability-check-300x156.png 300w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Snov.io-deliverability-check-1024x532.png 1024w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Snov.io-deliverability-check-768x399.png 768w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/10\/Snov.io-deliverability-check-1536x798.png 1536w\" sizes=\"(max-width: 745px) 100vw, 745px\" \/> <\/a><\/p>\n<p>As for the results, 90%+ inbox placement is a good benchmark. Occasional dips happen, but if you keep falling below that mark, don\u2019t ignore it.<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/0hv6U8U-wEA?si=i9L5b5ra3nh2h_BA\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<div class='posts-into__content'>\r\n<div class=\"post\">\r\n    <div class=\"post__img\">\r\n        <img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"160\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/06\/ChatGPT-Image-Jul-1-2026-05_18_53-PM.png\" class=\"attachment-327x160 size-327x160 wp-post-image\" alt=\"o que afeta a entregabilidade de e-mail frio no cold outreach\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/06\/ChatGPT-Image-Jul-1-2026-05_18_53-PM.png 1672w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/06\/ChatGPT-Image-Jul-1-2026-05_18_53-PM-300x169.png 300w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/06\/ChatGPT-Image-Jul-1-2026-05_18_53-PM-1024x576.png 1024w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/06\/ChatGPT-Image-Jul-1-2026-05_18_53-PM-768x432.png 768w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/06\/ChatGPT-Image-Jul-1-2026-05_18_53-PM-1536x864.png 1536w\" sizes=\"(max-width: 284px) 100vw, 284px\" \/>    <\/div>\r\n    <div class=\"post__content\">\r\n        <p class=\"post__content-title\">\r\n            <a href=\"https:\/\/snov.io\/blog\/what-affects-email-deliverability-snovio-report\/\">What Affects Email Deliverability in Cold Outreach: Our Insights from 10M+ Emails<\/a>\r\n        <\/p>\r\n        <div class=\"post__content-meta\">\r\n            <p class=\"post__content-author\">Maryna Toryshchak<\/p>\r\n            <p class=\"post__content-date\">13\/10\/2026<\/p>        <\/div>\r\n    <\/div>\r\n<\/div>\r\r\n<div class=\"post\">\r\n    <div class=\"post__img\">\r\n        <img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"160\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2018\/09\/Best-Email-Verification-Services-of-2026_-My-Test-and-Honest-Review.png\" class=\"attachment-327x160 size-327x160 wp-post-image\" alt=\"\" srcset=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2018\/09\/Best-Email-Verification-Services-of-2026_-My-Test-and-Honest-Review.png 1672w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2018\/09\/Best-Email-Verification-Services-of-2026_-My-Test-and-Honest-Review-300x169.png 300w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2018\/09\/Best-Email-Verification-Services-of-2026_-My-Test-and-Honest-Review-1024x576.png 1024w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2018\/09\/Best-Email-Verification-Services-of-2026_-My-Test-and-Honest-Review-768x432.png 768w, https:\/\/snov.io\/blog\/wp-content\/uploads\/2018\/09\/Best-Email-Verification-Services-of-2026_-My-Test-and-Honest-Review-1536x864.png 1536w\" sizes=\"(max-width: 284px) 100vw, 284px\" \/>    <\/div>\r\n    <div class=\"post__content\">\r\n        <p class=\"post__content-title\">\r\n            <a href=\"https:\/\/snov.io\/blog\/email-verification-services\/\">Best Email Verification Services of 2026: My Test and Honest Review<\/a>\r\n        <\/p>\r\n        <div class=\"post__content-meta\">\r\n            <p class=\"post__content-author\">Oksana Havryliv<\/p>\r\n            <p class=\"post__content-date\">28\/09\/2026<\/p>        <\/div>\r\n    <\/div>\r\n<\/div>\r<\/div>\n<h3>Monitor your list performance<\/h3>\n<p>Even with regular verification, your campaign results can reveal when your list needs another look.<\/p>\n<p>I asked our email deliverability expert to share the key metrics every sender should watch. Here\u2019re the benchmarks he recommended:<\/p>\n<ul>\n<li>Bounce rate <a href=\"https:\/\/snov.io\/knowledgebase\/how-to-verify-your-list-for-outreach\/\">above 5%<\/a> is a strong sign your list needs proper cleaning.<\/li>\n<li>Deliverability <a href=\"https:\/\/snov.io\/knowledgebase\/how-to-launch-your-first-cold-outreach-campaign\/\">below 90%<\/a> consistently is a good enough reason to run another verification.<\/li>\n<li>Spam rate above 2% is a warning sign that something about your list or sending setup needs attention.<\/li>\n<li>Open and reply rates trending downward can also be your cue to take another look at your contacts.<\/li>\n<\/ul>\n<p>One unusual campaign doesn\u2019t mean there\u2019s something wrong with your entire list. But when several of these signals start moving in the wrong direction, why wait for the next scheduled check? I\u2019d take that as a reason to verify sooner and see whether your data is part of the problem.<\/p>\n<blockquote class=\"blockquote-with__image\"><p>Bounce rate is worth monitoring, but the number alone doesn\u2019t tell the whole story. Not every bounce means the address is invalid: hard bounces are often tied to list quality, while soft bounces can result from temporary mailbox or server issues. Pay attention not only to the percentage, but also to what caused it.<\/p>\n<div class=\"blockquote-image\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/snov.io\/blog\/wp-content\/uploads\/2026\/05\/Artur-Oleksiuk.jpg\" alt=\"Artur Oleksiuk\" width=\"48\" height=\"48\" \/><\/p>\n<div class=\"blockquote-image__info\">\n<p class=\"blockquote-image__info-author\">Artur Oleksiuk<\/p>\n<p class=\"blockquote-image__info-position\">Deliverability specialist at Snov.io<\/p>\n<\/div>\n<\/div>\n<\/blockquote>\n<p>And what if your list checks out but your email health is still struggling? That\u2019s when I\u2019d look beyond verification. <a href=\"https:\/\/snov.io\/email-warm-up\">Warming up your email account<\/a>, for example, can help support your sending health and improve your chances of reaching the inbox.<\/p>\n<h2>Email verification UX best practices<\/h2>\n<p>For sign-up or sign-in, every bit of friction counts. So when adding real-time verification to the journey, make sure it doesn\u2019t become the reason users leave.<\/p>\n<p>Actually, <a href=\"https:\/\/cdn.mediavalet.com\/usva\/formassembly\/imM4Nyh3hkKvtPGleUU92Q\/t6GRaapHdEWm6e3OiIIvng\/Original\/From%20Drop-Off%20to%20Conversion%3A%20A%20Data-Driven%20Look%20at%20Web%20Form%20Performance.pdf\" target=\"_blank\" rel=\"noopener\">FormAssembly<\/a> found that nearly 1 in 3 sign-up forms experience drop-off, while <a href=\"https:\/\/developer.chrome.com\/blog\/autofill-insights-2024\" target=\"_blank\" rel=\"noopener\">Google Chrome<\/a> reported 75% lower abandonment when autofill reduced the effort involved.<\/p>\n<p>Ensure better user experience by following these quick tips:<\/p>\n<h3>Verify only when necessary<\/h3>\n<p>Don\u2019t require email confirmation for every action. Use it when you actually need to confirm ownership, such as during account creation, password recovery, or changes to sensitive account details. For lower-risk actions, an extra verification step may only increase drop-off.<\/p>\n<h3>Catch errors before submission<\/h3>\n<p>Validate the address while the user is filling out the form. If you detect a likely typo, show a specific suggestion, like: <em>Did you mean name@gmail.com?<\/em><\/p>\n<p>Don\u2019t correct the address automatically. Show the problem, suggest a fix, and let the user confirm it.<\/p>\n<h3>Make the next step obvious<\/h3>\n<p>After submission, don\u2019t leave users wondering what happens next. Let them know that you\u2019ve sent a verification link to their inbox and ask them to check it.<\/p>\n<p>Also give users clear options to resend the email, change the address, and request a new link if the previous one expires. Once they verify, confirm it immediately and take them to the next step.<\/p>\n<h2>Email verification security best practices<\/h2>\n<p>Email verification is important, but it can also be exploited for account enumeration, token abuse, and automated requests. The irony? Your security layer can become a security problem of its own.<\/p>\n<p>Here are the main safeguards to implement:<\/p>\n<h3>Use single-use, expiring tokens<\/h3>\n<p>Generate a unique, cryptographically secure token for each verification attempt, set an expiration time, and invalidate it once the address is verified so it can\u2019t be reused. Make sure verification links are served over HTTPS as well.<\/p>\n<h3>Rate-limit verification requests<\/h3>\n<p>Limit how often users can request or resend verification emails, with a short cooldown between attempts. Watch for unusual spikes, and if activity looks suspicious, add CAPTCHA or temporarily restrict further requests.<\/p>\n<h3>Don\u2019t reveal whether an account exists<\/h3>\n<p>Avoid responses like \u201cNo account exists for this email.\u201d They can let someone test which addresses are registered in your system.<\/p>\n<p>Instead, show the same generic response either way, such as \u201cIf an account exists for this email, we\u2019ll send a verification message.\u201d<\/p>\n<h3>Keep verification tokens out of logs<\/h3>\n<p>Don\u2019t log verification tokens or complete verification URLs, and remove tokens once they\u2019ve been used or expired. If email addresses need to appear in logs, mask or pseudonymize them where possible.<\/p>\n<h2>How to choose an email verification tool<\/h2>\n<p>Having tested most popular email verification solutions on the market, I\u2019ve figured out the key things to prioritize when choosing where to verify your emails. Here they are:<\/p>\n<ul>\n<li><strong>Verification depth: <\/strong>Does it combine syntax, domain, mail server (<a href=\"https:\/\/snov.io\/blog\/smtp-email-verification-explained\/\">SMTP<\/a>), mailbox, and other signals?<\/li>\n<li><strong>Accuracy: <\/strong>How reliably can it distinguish deliverable from problematic addresses?<\/li>\n<li><strong>Risk detection: <\/strong>Can it identify catch-all, disposable, role-based, and other risky addresses?<\/li>\n<li><strong>Result classification: <\/strong>Does it separate uncertain addresses instead of simply marking them Invalid?<\/li>\n<li><strong>Bulk verification: <\/strong>Can you clean large existing lists at once?<\/li>\n<li><strong>Real-time verification:<\/strong> Is there an API for checking addresses as you collect them?<\/li>\n<li><strong>Integrations: <\/strong>Can verification sync with your CRM and other tools?<\/li>\n<li><strong>Data privacy: <\/strong>How does the provider process, store, and protect your data?<\/li>\n<\/ul>\n<p>Quite a few things to compare, right?<\/p>\n<p>Fortunately, you don\u2019t have to test every tool yourself. At Snov.io, we\u2019ve put together a comprehensive <a href=\"https:\/\/snov.io\/email-verifiers-compare\">comparison of popular email verifiers<\/a>, covering their verification methods, bulk and API options, extra features, and more.<\/p>\n<h2>Key takeaways: Your checklist of email verification best practices<\/h2>\n<p>It seems like we\u2019ve covered quite a lot, so let me just recap the practical steps that will help you verify your email list consistently and effectively:<\/p>\n<ul>\n<li>Verify emails as they enter your database.<\/li>\n<li>Reverify your list regularly and before major campaigns.<\/li>\n<li>Use multiple verification checks, not syntax alone.<\/li>\n<li>Treat Valid, Invalid, and uncertain results differently.<\/li>\n<li>Automate verification wherever possible.<\/li>\n<li>Monitor bounces, spam complaints, and inbox placement after sending.<\/li>\n<li>Keep verification flows secure and easy to complete.<\/li>\n<\/ul>\n<p>Don\u2019t gatekeep verification for one moment. Your addresses need checking throughout their lifecycle: on entry, before sending, and after delivery. And use Snov.io to help you along the way.<\/p>\n<div class=\"content-banner purple\">\n<p class=\"content-banner__title\">Always keep your email list clean<\/p>\n<p class=\"content-banner__description\">Let Snov.io Email Verifier do the whole job for you<\/p>\n<div class=\"content-banner__link\"><a href=\"https:\/\/app.snov.io\/register?lang=en&amp;signup_source=blog&amp;signup_page=snov.io%2Fblog%2Fsales-email-templates&amp;cta_type=banner\">Test for free<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learn email verification best practices, from list cleaning to UX and security, to reduce bounces and protect deliverability with Snov.io.<\/p>\n","protected":false},"author":109,"featured_media":60586,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1938],"tags":[],"_links":{"self":[{"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/posts\/60564"}],"collection":[{"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/users\/109"}],"replies":[{"embeddable":true,"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/comments?post=60564"}],"version-history":[{"count":7,"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/posts\/60564\/revisions"}],"predecessor-version":[{"id":60601,"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/posts\/60564\/revisions\/60601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/media\/60586"}],"wp:attachment":[{"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/media?parent=60564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/categories?post=60564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/snov.io\/blog\/wp-json\/wp\/v2\/tags?post=60564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}