{"id":21355,"date":"2024-09-06T00:00:00","date_gmt":"2024-09-06T00:00:00","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\/"},"modified":"2026-09-15T13:57:13","modified_gmt":"2026-09-15T13:57:13","slug":"por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/pt\/blog\/deliverability\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\/","title":{"rendered":"Valida\u00e7\u00e3o de e-mail \u2013 Por que \u00e9 vital para sua entregabilidade?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">We all have those moments when we get nervous and need to double-check ourselves. Did we fill in the right answer bubbles on a test? Did we type in the right password when creating our new bank account?<\/p>\n\n<p class=\"wp-block-paragraph\">Email is no different. Without validation, email lists can get unruly, filled with invalid addresses, incorrect domains, and disengaged recipients. Validation tools help take the anxiety out of sending by making sure your lists are filled with the accurate addresses of people who want to hear what you have to say.<\/p>\n\r\n    <nav data-content-type=\"longform\" class=\"toc-block longform-spacings px-5 py-6 px-md-6 px-lg-7 py-md-7 bg-light fs-sm rounded-lg\" aria-labelledby=\"toc-title-7147\"><p class=\"h5 m-0\" id=\"toc-title-7147\">\u00cdndice<\/p><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">01<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#whats-email-validation\">What\u2019s email validation?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">02<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-can-email-validation-help-your-email-deliverability\">How can email validation help your email deliverability?<\/a><a class=\"scrollme link-body-color\" href=\"#anchor_1-email-validation-keeps-your-email-list-clean\">1. Email validation keeps your email list clean<\/a><a class=\"scrollme link-body-color\" href=\"#anchor_2-email-validation-helps-focus-on-segmentation-practices\">2. Email validation helps focus on segmentation practices<\/a><a class=\"scrollme link-body-color\" href=\"#anchor_3-verification-enables-you-to-send-frequent-emails-more-safely\">3. Verification enables you to send frequent emails more safely<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">03<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-can-mailgun-help-me-with-email-verification\">How can Mailgun help me with email verification?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">04<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#wrapping-up\">Wrapping up<\/a><\/div><\/div><\/nav>\n<h2 class=\"wp-block-heading\">What\u2019s email validation?<\/h2>\n\n<p class=\"wp-block-paragraph\"><b>Email validation: Ensuring your list is clean and reliable<\/b><\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.mailgun.com\/pt\/features\/email-list-validation\/%C2%A0\" target=\"_tabs\" rel=\"noopener noreferrer\">Email validation<\/a> isn&#8217;t just about catching typos or misspelled addresses\u2014it&#8217;s about ensuring that an email address is active, valid, and ready to receive your messages. When most people think of email validation, they picture tools that correct simple mistakes. But there&#8217;s much more to it:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><b>Domain verification<\/b>: Determine if an email address is connected to a reliable domain like Gmail or Microsoft Outlook.<\/li>\n\n\n\n<li><b>Inbox availability<\/b>: Check if the email address has an active inbox capable of receiving mail.<\/li>\n\n\n\n<li><b>Disposable email detection<\/b>: Identify whether an email address is temporary or disposable, which could impact deliverability.<\/li>\n\n\n\n<li><b>User engagement<\/b>: Checks is the recipient address has a history of email engagement or is a bot<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Keeping your email list healthy requires more than just removing obvious errors. With the growing issues of email spoofing and <a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/spam-traps\/\" target=\"_tabs\" rel=\"noopener noreferrer\">spam traps<\/a>, maintaining list hygiene is critical. By validating these key factors, you can ensure your mailing list remains accurate, up-to-date, and effective in reaching your audience.<\/p>\n\n<h2 class=\"wp-block-heading\">How can email validation help your email deliverability?<\/h2>\n\n<p class=\"wp-block-paragraph\">Email validation is how you maintain a clean and functional mailing list. It involves checking the syntax of each submitted email address to ensure it follows the correct format for a valid email address. This process helps weed out bad emails that might be entered incorrectly. Email verification services confirm the existence and validity of an email address through various checks, including domain verification and SMTP verification. List validation, powered by these services, ensures that only genuine subscribers with valid email addresses are added to a mailing list, enhancing deliverability and engagement rates while reducing the risk of bouncing emails.<\/p>\n\n<p class=\"wp-block-paragraph\"><b>Before we dive into the three key ways a validation tool can help <\/b>we\u2019ve got a bit of housekeeping to do. You can\u2019t set up an email subscription system without implementing strategies to minimize the chances of emails landing in the spam folder. Utilizing a catch-all approach in the sign-up form might seem convenient, but it can lead to a flood of irrelevant or mistyped email addresses. A double opt-in process, however, prompts intended recipients to confirm their subscription, reducing the likelihood of spam complaints. Moreover, this method enhances the accuracy of the mailing list by confirming the validity of email addresses at sign-up. Practices like double opt-in put you on the good side of email servers who are more likely to recognize you as a legitimate sender.<\/p>\n\n<h3 class=\"wp-block-heading\">1. Email validation keeps your email list clean<\/h3>\n\n<p class=\"wp-block-paragraph\">This one\u2019s pretty straightforward. Having a clean list, keeping your list \u201chygienic,\u201d and any other similar term basically means ensuring that the email addresses on your list are deliverable.<\/p>\n\n<p class=\"wp-block-paragraph\">What do we mean by a clean list? Well, we want to make sure that the email addresses have MX records. Email service providers (ESPs) don\u2019t know which mail server to deliver if an email address is missing its MX record.<\/p>\n\n<p class=\"wp-block-paragraph\">You need a clear address with an attached domain to send an email message. If your addresses are riddled with typos or don\u2019t have <a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/quickstart-receiving.html#add-receiving-mx-records\" target=\"_tabs\" rel=\"noopener noreferrer\">MX records<\/a> with valid domains, you\u2019re wasting time sending messages that\u2019ll either go to the wrong address or literally go nowhere. Remember, hard bounces look like red flags to inbox service providers (ISPs). A high bounce rate may lead ISPs to refuse to deliver future messages from your sending domain.<\/p>\n\n<p class=\"wp-block-paragraph\">Remember, if you send emails to recipients who don\u2019t want your messages, you can trigger spam complaints or abuse complaints. This can tank your sender reputation and your email deliverability.<\/p>\n\n<h3 class=\"wp-block-heading\">2. Email validation helps focus on segmentation practices<\/h3>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.mailgun.com\/pt\/blog\/deliverability\/segmentation-verifications-email-list-cleaning\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Mailing list segmentation<\/a> lets you easily target portions of your mailing list to manually or automatically send specific messages to these segments. Email address validation keeps your segments accurate and focused.<\/p>\n\n<p class=\"wp-block-paragraph\">By using email validation, all your segments are free from non-engaged users who can negatively impact your email program and its reputation. You come on top with more focused segments in both technical and marketing aspects. Your audience\u2019s preferences and desires are more specific, so you can cater directly to their needs and grow your customer base. From a technical perspective, you have fewer problems with your mailing list and can more easily avoid spam traps, spammers, and other kinks in your email program.<\/p>\n\n<h3 class=\"wp-block-heading\">3. Verification enables you to send frequent emails more safely<\/h3>\n\n<p class=\"wp-block-paragraph\">Are you sending emails frequently to your mailing list? That\u2019s pretty awesome\u2014but there\u2019s a catch. <b>The more emails you send from your domain, the more you are scrutinized by ISPs.<\/b><\/p>\n\n<p class=\"wp-block-paragraph\">ISPs are constantly on the lookout for spam, and high-frequency senders can gather attention for what\u2019s seen as potential spammer behavior. If your list of email addresses is clean, you have nothing to worry about. However, if you\u2019re sending too much email to unresponsive or invalid email addresses, well, that\u2019s pretty much the definition of spam. In a best-case scenario, ISPs might refuse to place your messages in your recipient\u2019s inbox. However, in a worst-case scenario, you might end up on a blocklist.<\/p>\n\n<p class=\"wp-block-paragraph\">This is where email validation helps you out. Giving you that coveted clean list helps you prove to ISPs that your emails are legitimate and avoid penalties and bad reputations that stick to spammers and other bad actors. That way, you can continue to communicate frequently and safely with your list and keep your relationships strong.<\/p>\n\n<h2 class=\"wp-block-heading\">How can Mailgun help me with email verification?<\/h2>\n\n<p class=\"wp-block-paragraph\">This one\u2019s easy: <a href=\"\/products\/inbox\/email-verification\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Mailgun\u2019s email validation feature<\/a> has your back. Here\u2019s why you should take a peek at our email checker:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Our email validation service provides bulk email verifiers and real-time email verification, making maintaining your contacts easy. Our list verification feature is as simple as uploading a <i>.csv<\/i> file.<\/li>\n\n\n\n<li>We help you determine if you need to clean your mailing list. The email tester that\u2019s part of our email validation tool helps you run a list preview to assess how a sample of your list will perform. This way, you can make an informed decision on whether or not you need to clean your mailing list.<\/li>\n\n\n\n<li>Take advantage of our <a href=\"https:\/\/www.mailgun.com\/blog\/product\/weekly-product-update-improvements-to-email-verification-api\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Email validation API<\/a> to programmatically validate your email addresses.<\/li>\n\n\n\n<li>Enjoy the simplicity of integrations. Our email validation tool is integrated with <a href=\"https:\/\/www.mailgun.com\/pt\/products\/inbox\/inboxready\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Mailgun Optimize<\/a>, our suite of deliverability tools. Let us be your one-stop shop for sending. Or, if you\u2019re looking to <a href=\"https:\/\/www.mailgun.com\/blog\/product\/email-address-verification-with-external-services\/\" target=\"_tabs\" rel=\"noopener noreferrer\">integrate email validations with an external service<\/a> like a CRM, look no further. We\u2019ve got you covered for that too!<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Wrapping up<\/h2>\n\n<p class=\"wp-block-paragraph\">Now that we\u2019ve delved into the advantages of email validation and the tools available, we hope you&#8217;ve gained insight into how they can enhance the impact of your email campaigns. Email verification tools like <a href=\"https:\/\/www.mailgun.com\/pt\/produtos\/validar\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Mailgun Validate<\/a> play a pivotal role in maintaining a healthy email program. They ensure your list remains clean, aid in segmenting your audience effectively, and shield you from the scrutiny of ISPs. Explore how Mailgun can facilitate your sending needs. Experience our service with a free trial today!<\/p>\n\r\n    <aside data-content-type=\"longform\"  class=\"banner-block longform-spacings rounded-lg shadow-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 bg-light\" data-theme=\"dark\" aria-labelledby=\"banner-block-block_0e4932c55d4b61a70d4310d8124db931\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                Email validations            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_0e4932c55d4b61a70d4310d8124db931\">\r\n                Protect your business with email validations            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\">Don\u2019t let honeypots and spam traps make their way into your email list. Use Mailgun Optimize\u2019s email validation service to protect your database at signup and to clean your list periodically.<\/div>\r\n                            <\/div>\r\n        \r\n        <div class=\"text-start mt-5\"><a href=\"https:\/\/signup.mailgun.com\/new\/signup\"  class=\"btn btn-secondary\" >Try now free<\/a><\/div>\r\n    <\/aside>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>Na vida, haver\u00e1 momentos em que voc\u00ea vai querer (e precisar de) valida\u00e7\u00e3o. Isso \u00e9 especialmente verdadeiro quando se trata do seu programa de e-mail. A valida\u00e7\u00e3o de e-mail \u00e9 decisiva para o sucesso do seu programa de e-mail. Aqui est\u00e1 tudo o que voc\u00ea precisa saber.<\/p>\n","protected":false},"author":27,"featured_media":4376,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"blog_category":[21],"class_list":["post-21355","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-deliverability"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Use a valida\u00e7\u00e3o de e-mail com a ferramenta de valida\u00e7\u00e3o de e-mail do Mailgun - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"description\" content=\"Por que voc\u00ea deve usar a valida\u00e7\u00e3o de e-mail na sua caixa de entrada? Conhe\u00e7a seus v\u00e1rios benef\u00edcios e como a ferramenta de valida\u00e7\u00e3o de e-mail do Mailgun pode ajudar voc\u00ea a come\u00e7ar a enviar hoje.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mailgun.com\/pt\/blog\/deliverability\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Use a valida\u00e7\u00e3o de e-mail com a ferramenta de valida\u00e7\u00e3o de e-mail do Mailgun - Transactional Email API Service For Developers | Mailgun\" \/>\n<meta property=\"og:description\" content=\"Por que voc\u00ea deve usar a valida\u00e7\u00e3o de e-mail na sua caixa de entrada? Conhe\u00e7a seus v\u00e1rios benef\u00edcios e como a ferramenta de valida\u00e7\u00e3o de e-mail do Mailgun pode ajudar voc\u00ea a come\u00e7ar a enviar hoje.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mailgun.com\/pt\/blog\/deliverability\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\/\" \/>\n<meta property=\"og:site_name\" content=\"Transactional Email API Service For Developers | Mailgun\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-15T13:57:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/MG-Blog-Deliverability.png\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"448\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/deliverability\\\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\\\/\",\"url\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/deliverability\\\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\\\/\",\"name\":\"Use a valida\u00e7\u00e3o de e-mail com a ferramenta de valida\u00e7\u00e3o de e-mail do Mailgun - Transactional Email API Service For Developers | Mailgun\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/deliverability\\\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/deliverability\\\/por-que-a-verificacao-de-e-mail-e-vital-para-sua-caixa-de-entrada\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.mailgun.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/MG-Blog-Deliverability.png\",\"datePublished\":\"2024-09-06T00:00:00+00:00\",\"dateModified\":\"2026-09-15T13:57:13+00:00\",\"description\":\"Por que voc\u00ea deve usar a valida\u00e7\u00e3o de e-mail na sua caixa de entrada? 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