{"id":241,"date":"2026-01-20T08:37:27","date_gmt":"2026-01-20T08:37:27","guid":{"rendered":"https:\/\/www.trulyinbox.com\/blog\/?p=241"},"modified":"2026-02-09T11:21:23","modified_gmt":"2026-02-09T11:21:23","slug":"how-to-set-up-spf-dkim-and-dmarc","status":"publish","type":"post","link":"https:\/\/www.trulyinbox.com\/blog\/how-to-set-up-spf-dkim-and-dmarc\/","title":{"rendered":"How to Set Up Your SPF, DKIM, and DMARC Authentication Records in 2026"},"content":{"rendered":"\n<p>If you are <strong><em>sending bulk or mass emails<\/em><\/strong>, then setting up your SPF, DKIM, and DMARC records are non-negotiable.<\/p>\n\n\n\n<p>From Feb 1st 2024, both <a href=\"https:\/\/support.google.com\/a\/answer\/81126?hl=en#authentication\" target=\"_blank\" rel=\"noreferrer noopener\">Google<\/a> and <a href=\"https:\/\/senders.yahooinc.com\/best-practices\/#requirements-all-senders\" target=\"_blank\" rel=\"noreferrer noopener\">Yahoo<\/a> require that:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><em>All senders have SPF and DKIM set up<\/em><\/strong>.<\/li>\n\n\n\n<li>Bulk senders (more than 5,000 emails\/day) must have SPF, DKIM and DMARC email authentication methods set up<\/li>\n<\/ol>\n\n\n\n<p><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/microsoftdefenderforoffice365blog\/strengthening-email-ecosystem-outlook%E2%80%99s-new-requirements-for-high%E2%80%90volume-senders\/4399730\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Outlook<\/a> also made SPF, DKIM, and DMARC mandatory starting May 2025.<\/p>\n\n\n\n<p>Without these records in place, email service providers <strong><em>will not treat you as a legitimate sender<\/em><\/strong>.<\/p>\n\n\n\n<p>As a result, your emails may bounce, land in the spam folder, or in some cases, your mailbox can even get suspended.<\/p>\n\n\n\n<p>In this blog, I will show you <strong><em>how to set up SPF, DKIM, and DMARC correctly<\/em><\/strong>, so your emails meet inbox provider requirements in 2026.<\/p>\n\n\n\n<div style=\"padding: 20px 15px 15px 20px; border-radius: 10px; border: 3.5px solid #E17863; background: #FFFFFF;\">\n    <h2 style=\"margin: 0; padding: 8px 12px; background: #E17863; color: #fff; display: inline-block; border-radius: 0px 0px 10px 10px; font-size: 22px; position: relative; top: -22px; left: 0;\">\nSet Up Your SPF, DKIM, and DMARC \u2013 TOC\n    <\/h2>\n    <ul class=\"wp-block-list\" style=\"margin-top: -10px;\">\n        <li><a href=\"#TLDR\">TL;DR<\/a><\/li>\n        <li><a href=\"#How-to-Set-Up-Your-SPF-Record-Correctly\">How to Set Up Your SPF Record Correctly<\/a><\/li>\n        <li><a href=\"#How-to-Enable-and-Add-DKIM-to-Your-DNS\">How to Enable and Add DKIM to Your DNS<\/a><\/li>\n        <li><a href=\"#How-to-Create-a-DMARC-Record-for-Your-Domain\">How to Create a DMARC Record for Your Domain<\/a><\/li>\n        <li><a href=\"#How-to-Verify-if-Your-SPF-DKIM-and-DMARC-Record-Is-Set-Up-Correctly\">How to Verify if Your SPF, DKIM, and DMARC Record Is Set Up Correctly<\/a><\/li>\n        <li><a href=\"#Common-SPF-DKIM-and-DMARC-Setup-Mistakes\">Common SPF, DKIM, and DMARC Setup Mistakes<\/a><\/li>\n        <li><a href=\"#Set-Up-Your-Authentication-Records-And-Start-Emailing\">Set Up Your Authentication Records And Start Emailing!<\/a><\/li>\n        <li><a href=\"#How-to-Set-Up-SPF-DKIM-and-DMARC-FAQs\">How to Set Up SPF, DKIM, and DMARC: FAQs<\/a><\/li>\n    <\/ul>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">TL;DR<\/h2>\n\n\n\n<p>If you send emails at scale, SPF, DKIM, and DMARC must be set up correctly.<\/p>\n\n\n\n<p>Here is the quick version.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You can have <strong><em>only one SPF record,<\/em><\/strong> and it supports up to 10 tool checks<\/li>\n\n\n\n<li>You will usually <strong><em>need multiple DKIM records<\/em><\/strong>, one for your email service provider and one for each additional tool that sends emails from your domain.<\/li>\n\n\n\n<li><strong><em>DMARC connects SPF and DKIM<\/em><\/strong> and tells inboxes what to do if checks fail.<\/li>\n\n\n\n<li>Always start DMARC in monitoring mode<\/li>\n\n\n\n<li><strong><em>Verify everything by sending test emails<\/em><\/strong> and checking headers<\/li>\n\n\n\n<li>All three should show pass before you scale sending<\/li>\n<\/ul>\n\n\n\n<p>SPF, DKIM, and DMARC examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v=spf1 include:_spf.google.com include:spf.brevo.com include:helpscoutemail.com -all<\/li>\n\n\n\n<li>v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9m 5wUIBZHH1o2zJxgZm7hrK29FWyGzH8KqRBYE2QJQZx8F4zy\/KHQcY54sAZL JQJx6EvNPOF9+fMjFqQWECQmYAQIDAQAB<\/li>\n\n\n\n<li>v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com<\/li>\n<\/ul>\n\n\n\n<p>If SPF, DKIM, and DMARC pass, your emails are trusted and safe to deliver.<\/p>\n\n\n\n<p>Once you have set up your authentication records, you should <strong><em>warm up your email accounts before launching<\/em><\/strong> your marketing or outreach campaigns.<\/p>\n\n\n\n<!-- This site is converting visitors into subscribers and customers with OptinMonster - https:\/\/optinmonster.com :: Campaign Title: (TI-EXP) - How to Set Up SPF, DKIM and DMARC - CTA#1 -->\n<div id=\"om-vihtjpbwq95rojuyb4au-holder\"><\/div>\n<script>(function(d,u,ac){var s=d.createElement('script');s.type='text\/javascript';s.src='https:\/\/a.omappapi.com\/app\/js\/api.min.js';s.async=true;s.dataset.user=u;s.dataset.campaign=ac;d.getElementsByTagName('head')[0].appendChild(s);})(document,153389,'vihtjpbwq95rojuyb4au');<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">How to Set Up Your SPF Record Correctly<\/h2>\n\n\n\n<p>SPF stands for Sender Policy Framework.<\/p>\n\n\n\n<p>It is a DNS record that tells email providers which <strong><em>servers are authorized to send emails<\/em><\/strong> from your domain<strong><em>.<\/em><\/strong><\/p>\n\n\n\n<p>To set it up correctly, you first need a clear <strong><em>list of all the tools and services <\/em><\/strong>that will use your domain to send email.<\/p>\n\n\n\n<p>This usually includes<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your primary email provider<\/li>\n\n\n\n<li>Any marketing or cold email tools<\/li>\n\n\n\n<li>Transactional or notification email services<\/li>\n<\/ul>\n\n\n\n<p>Once you have this list, you can <strong><em>add each approved sender to a single SPF record<\/em><\/strong> in your DNS.<\/p>\n\n\n\n<p>This is what a basic SPF record looks like:<\/p>\n\n\n\n<div style=\"background: #FFFFFF; position: relative; padding: 30px 40px;margin-top: 20px;margin-bottom: 20px;border-radius: 10px;border: 3.5px solid #E17863;\">\n<p style =\"margin-bottom: 0em !important\"><i><span style=\"font-weight: 500\"><strong>v=spf1 include:approved_sender_1.com include:approved_sender_2.com ~all<\/strong><\/i><\/p><\/div>\n\n\n\n<p>This means that you are allowing <strong><em>approved_sender_1<\/em><\/strong> and <strong><em>approved_sender_2<\/em><\/strong> to send emails for your domain.<\/p>\n\n\n\n<p>Here is an actual example of an SPF record with multiple<\/p>\n\n\n\n<div style=\"background: #FFFFFF; position: relative; padding: 30px 40px;margin-top: 20px;margin-bottom: 20px;border-radius: 10px;border: 3.5px solid #E17863;\">\n<p style =\"margin-bottom: 0em !important\"><i><span style=\"font-weight: 500\"><strong>v=spf1 include:_spf.google.com include:spf.brevo.com include:helpscoutemail.com -all<\/strong><\/i><\/p><\/div>\n\n\n\n<p>This setup allows Google Workspace, Brevo, and Help Scout to send emails using the same domain.<\/p>\n\n\n\n<div style=\"background: #FFFFFF; position: relative; padding: 30px 40px;margin-top: 20px;margin-bottom: 20px;border-radius: 10px;border: 3.5px solid #E17863;\">\n<p><i><span style=\"font-weight: 500\"><strong>Note:<\/strong><br>\nYou can have only one SPF record per domain.<\/span><\/i><\/p>\n\n<p><i>SPF also has a limit of 10 DNS lookups, meaning you can add details for only up to 10 sending tools.<\/span><\/i><\/p>\n\n<p style =\"margin-bottom: 0em !important\"><i>If you go beyond this limit, SPF will fail, even if the record looks correct.<\/span><\/i><\/p><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How to Enable and Add DKIM to Your DNS<\/h2>\n\n\n\n<p>DKIM, or DomainKeys Identified Mail, helps protect your emails by <strong><em>adding an encrypted signature to every message<\/em><\/strong> you send.<\/p>\n\n\n\n<p>This signature allows email providers to confirm 2 things.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The email actually came from your domain.<\/li>\n\n\n\n<li>The email content was not changed after it was sent.<\/li>\n<\/ul>\n\n\n\n<p>The DKIM key is generated by your email service provider (e.g., Google Workspace) and by your email sending tool (e.g., Brevo).<\/p>\n\n\n\n<p>This is how a DKIM record usually looks:<\/p>\n\n\n\n<div style=\"background: #FFFFFF; position: relative; padding: 30px 40px;margin-top: 20px;margin-bottom: 20px;border-radius: 10px;border: 3.5px solid #E17863;\">\n<p style =\"margin-bottom: 0em !important\"><i><span style=\"font-weight: 500\"><strong>v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9m 5wUIBZHH1o2zJxgZm7hrK29FWyGzH8KqRBYE2QJQZx8F4zy\/KHQcY54sAZL JQJx6EvNPOF9+fMjFqQWECQmYAQIDAQAB<\/strong><\/i><\/p><\/div>\n\n\n\n<p>You simply have to <strong><em>copy the DKIM record<\/em><\/strong> they provide and <strong><em>add it to your domain DNS<\/em><\/strong> through your domain provider.<\/p>\n\n\n\n<p>After adding it to your DNS, DKIM <strong><em>usually takes 24 to 48 hours to authenticate<\/em><\/strong>.<\/p>\n\n\n\n<div style=\"background: #FFFFFF; position: relative; padding: 30px 40px;margin-top: 20px;margin-bottom: 20px;border-radius: 10px;border: 3.5px solid #E17863;\">\n<p><i><span style=\"font-weight: 500\"><strong>Note:<\/strong><br>\nYou will usually need multiple DKIM records for the same domain.<\/span><\/i><\/p>\n\n<p><i>Each email sending tool creates its own DKIM record with a unique selector.<\/i><\/p>\n\n<p style =\"margin-bottom: 0em !important\"><i>Just make sure every DKIM record stays in place as long as that tool is sending emails.<\/i><\/p><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How to Create a DMARC Record for Your Domain<\/h2>\n\n\n\n<p>DMARC, or Domain-based Message Authentication Reporting and Conformance, is the <strong><em>final layer of email authentication<\/em><\/strong>.<\/p>\n\n\n\n<p>It connects SPF and DKIM and <strong><em>tells email providers what to do<\/em><\/strong> if something goes wrong.<\/p>\n\n\n\n<p>In simple terms, DMARC lets you decide whether failed emails should be allowed, sent to spam, or blocked.<\/p>\n\n\n\n<p>To add DMARC, you need to create a TXT record in your domain DNS.<\/p>\n\n\n\n<p>You should always start in monitoring mode. This helps you see what is happening without blocking emails.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Go to your domain DNS settings<\/li>\n\n\n\n<li>Create a new TXT record<\/li>\n\n\n\n<li>Set the host name to _dmarc<\/li>\n<\/ul>\n\n\n\n<p>Now add a basic DMARC value.<\/p>\n\n\n\n<div style=\"background: #FFFFFF; position: relative; padding: 30px 40px;margin-top: 20px;margin-bottom: 20px;border-radius: 10px;border: 3.5px solid #E17863;\">\n<p style =\"margin-bottom: 0em !important\"><i><span style=\"font-weight: 500\"><strong>v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com<\/strong><\/i><\/p><\/div>\n\n\n\n<p>This record tells email providers to monitor your emails and send reports to the email address you provide.<\/p>\n\n\n\n<p>At this stage, no emails are blocked or sent to spam.<\/p>\n\n\n\n<p>Once this is live, DMARC starts collecting data for your domain.<\/p>\n\n\n\n<div style=\"background: #FFFFFF; position: relative; padding: 30px 40px;margin-top: 20px;margin-bottom: 20px;border-radius: 10px;border: 3.5px solid #E17863;\">\n<p><strong>Note:<\/strong><br>\nYou can have only one DMARC record per domain.<\/i><\/p>\n\n<p>DMARC should always be added after SPF and DKIM are working correctly.<\/i><\/p>\n\n<p>If SPF or DKIM are broken, DMARC will not work as expected.<\/i><\/p>\n\n<p style =\"margin-bottom: 0em !important\"><i><span style=\"font-weight: 500\">Always start with p=none to monitor first. Move to stricter policies only after you are confident that all your sending tools are authenticated.<\/span><\/i><\/p><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How to Verify if Your SPF, DKIM, and DMARC Record Is Set Up Correctly?<\/h2>\n\n\n\n<p>The easiest way to verify that you have set up your authentication methods correctly is to <strong><em>send a test email to yourself<\/em><\/strong>.<\/p>\n\n\n\n<p>If you use multiple tools, send one email from each tool.<\/p>\n\n\n\n<p>Now open the email and click \u201c<strong><em>Show original\u201d or \u201cView message headers\u201d<\/em><\/strong>, depending on your inbox.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69f076dfb1044&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69f076dfb1044\" class=\"aligncenter size-large wp-lightbox-container\"><img fetchpriority=\"high\" decoding=\"async\" width=\"547\" height=\"615\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-547x615.webp\" alt=\"Original email will show if your SPF, DKIM, and DMARC are working as intended.\" class=\"wp-image-2539\" srcset=\"https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-547x615.webp 547w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-178x200.webp 178w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-768x864.webp 768w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-1365x1536.webp 1365w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-1200x1350.webp 1200w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working.webp 1600w\" sizes=\"(max-width: 547px) 100vw, 547px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Original Email on Gmail<\/figcaption><\/figure>\n<\/div>\n\n\n<p>You should look for the authentication results.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPF should show pass<\/li>\n\n\n\n<li>DKIM should show pass<\/li>\n\n\n\n<li>DMARC should show pass<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69f076dfb1472&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69f076dfb1472\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"900\" height=\"483\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-Original-Email-900x483.webp\" alt=\"Original message on Gmail will show SPF, DKIM and DMARC as pass if records are set up correctly.\" class=\"wp-image-2542\" srcset=\"https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-Original-Email-900x483.webp 900w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-Original-Email-373x200.webp 373w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-Original-Email-768x412.webp 768w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-Original-Email-1536x824.webp 1536w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-Original-Email-1200x644.webp 1200w, https:\/\/www.trulyinbox.com\/blog\/wp-content\/uploads\/2026\/02\/How-to-Check-if-SPF-DKIM-and-DMARC-Are-Working-Original-Email.webp 1600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">SPF, DKIM, And DMARC &#8220;PASS&#8221; Status<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Common SPF, DKIM, and DMARC Setup Mistakes<\/h2>\n\n\n\n<p>Even small mistakes in authentication can hurt deliverability.<\/p>\n\n\n\n<p>These are the most common ones to double-check.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Adding more than one SPF record to the same domain<\/li>\n\n\n\n<li>Exceeding the SPF lookup limit by adding too many tools<\/li>\n\n\n\n<li>Forgetting to update SPF after adding a new sending tool<\/li>\n\n\n\n<li>Enabling DKIM but not adding the record to DNS<\/li>\n\n\n\n<li>Deleting DKIM records while a tool is still sending emails<\/li>\n\n\n\n<li>Setting DMARC to strict mode before monitoring<\/li>\n\n\n\n<li>Using an invalid or unreachable email address for DMARC reports<\/li>\n\n\n\n<li>Assuming setup is complete without verifying pass status<\/li>\n<\/ul>\n\n\n\n<p>Fixing these early prevents inboxing issues later.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Set Up Your Authentication Records And Start Emailing!<\/h2>\n\n\n\n<p>I\u2019ve covered everything you need to know about authentication records:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>what they are<\/li>\n\n\n\n<li>how to set them up<\/li>\n\n\n\n<li>and how to validate them.<\/li>\n<\/ul>\n\n\n\n<p>The next step is:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.trulyinbox.com\/blog\/email-warmup\/\" target=\"_blank\" rel=\"noreferrer noopener\">Warming up your email accounts<\/a>!<\/p>\n\n\n\n<p>Setting up your authentication records <strong><em>does not guarantee<\/em><\/strong> your emails will land in your recipients\u2019 inboxes.<\/p>\n\n\n\n<p>To <strong><em>increase your chances of inbox placement,<\/em><\/strong> you should warm up your email accounts<\/p>\n\n\n\n<p>Read Next:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.trulyinbox.com\/blog\/email-warmup\/\" target=\"_blank\" rel=\"noreferrer noopener\">What is Email Warm Up?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.trulyinbox.com\/blog\/how-to-warm-up-email-domain\/\" target=\"_blank\" rel=\"noreferrer noopener\">How to Easily Warm Up Your Domains Before Outreach?<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Set Up Your Authentication Records And Start Emailing!<\/h2>\n\n\n\n<p>I\u2019ve covered everything you need to know about authentication records \u2014 what they are, how to set them up, and how to validate them.<\/p>\n\n\n\n<p>Even why you should set them up!<\/p>\n\n\n\n<p><strong>The Next Step?<\/strong><\/p>\n\n\n\n<p>Go set up your records and start doing what you do best \u2014 whether it\u2019s sending marketing campaigns, running sales outreach, or simply making sure your emails reach inboxes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Set Up SPF, DKIM, and DMARC: FAQs<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. What Are the Best Practices for SPF Set Up?<\/h3>\n\n\n\n<p>In my experience, the best practices for SPF setup include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avoid the overly permissive \u201c+all\u201d setting, as it authorizes all IP addresses associated with a server to send emails on your behalf<\/li>\n\n\n\n<li>Regularly audit your SPF settings to remove servers you no longer use<\/li>\n\n\n\n<li>Only include dedicated IP addresses in the SPF TXT record<\/li>\n\n\n\n<li>Include \u201c~all\u201d to allow for DMARC authentication to work as intended<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Can You Create Multiple DKIM Keys for Your Email?<\/h3>\n\n\n\n<p>Yes! You can generate as many DKIM keys as allowed by your DNS provider. In my opinion, generating multiple DKIM keys will help you rotate them for increased security.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. What Is the Best Key Size for DKIM Records?<\/h3>\n\n\n\n<p>The best size for DKIM records in 2048-bit keys. In fact, from what I\u2019ve seen, most ISPs and ESPs have switched the practice of maintaining 2048-bit keys for enhanced email protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. What Is the Best Setting for DMARC?<\/h3>\n\n\n\n<p>If you\u2019re just starting and don\u2019t have in-depth knowledge, I recommend policy \u201cp=none\u201d. This won\u2019t block or spam your emails. Once you\u2019re confident that everything is set up correctly and your emails are passing authentication, you can adjust the policy to a stricter setting like \u201cp=quarantine\u201d or \u201cp=reject\u201d.<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [{\n    \"@type\": \"Question\",\n    \"name\": \"1. 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Once you\u2019re confident that everything is set up correctly and your emails are passing authentication, you can adjust the policy to a stricter setting like \u201cp=quarantine\u201d or \u201cp=reject\u201d.\"\n    }\n  }]\n}\n<\/script>\n\n\n\n<!-- This site is converting visitors into subscribers and customers with OptinMonster - https:\/\/optinmonster.com :: Campaign Title: (TI-EXP) - How to Set Up SPF, DKIM and DMARC - EXIT -->\n<script>(function(d,u,ac){var s=d.createElement('script');s.type='text\/javascript';s.src='https:\/\/a.omappapi.com\/app\/js\/api.min.js';s.async=true;s.dataset.user=u;s.dataset.campaign=ac;d.getElementsByTagName('head')[0].appendChild(s);})(document,153389,'f8bhtdz6qwixzpxr5iou');<\/script>\n","protected":false},"excerpt":{"rendered":"<p>If you are sending bulk or mass emails, then setting up your SPF, DKIM, and DMARC records are non-negotiable. From Feb 1st 2024, both Google and Yahoo require that: Microsoft Outlook also made SPF, DKIM, and DMARC mandatory starting May 2025. Without these records in place, email service providers will not treat you as a [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":242,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[20],"class_list":["post-241","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-deliverability-hub","tag-authetication-set-up"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Set Up Your SPF, DKIM, and DMARC Records in 2026<\/title>\n<meta name=\"description\" content=\"In this blog, I will show the step-by-step process to set up SPF, DKIM, and DMARC to improve your email security and deliverability.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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While working in outbound sales, he noticed that many focused on sending large volumes of emails but overlooked inbox placement. He knew this wasn\u2019t an efficient approach, so he took it upon himself to find ways to improve deliverability. After years of experimenting, he became an expert in inbox placement. Today, Vatsal helps TrulyInbox with growth strategies and shares his expertise on deliverability through blogs.","sameAs":["https:\/\/www.linkedin.com\/in\/vatsaas\/"],"url":"https:\/\/www.trulyinbox.com\/blog\/author\/vatsal\/"}]}},"_links":{"self":[{"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/posts\/241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/comments?post=241"}],"version-history":[{"count":26,"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/posts\/241\/revisions"}],"predecessor-version":[{"id":2544,"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/posts\/241\/revisions\/2544"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/media\/242"}],"wp:attachment":[{"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/media?parent=241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/categories?post=241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.trulyinbox.com\/blog\/wp-json\/wp\/v2\/tags?post=241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}