{"id":3934,"date":"2024-08-27T09:49:15","date_gmt":"2024-08-27T09:49:15","guid":{"rendered":"https:\/\/www.warmy.io\/blog\/gmail-dns-setup-a-records-rdns\/"},"modified":"2024-08-27T09:49:15","modified_gmt":"2024-08-27T09:49:15","slug":"gmail-dns-setup-a-records-rdns","status":"publish","type":"post","link":"https:\/\/www.warmy.io\/blog\/gmail-dns-setup-a-records-rdns\/","title":{"rendered":"Gmail DNS Mastery: Implementing A-Records and rDNS"},"content":{"rendered":"<p>DNS settings like A-records and rDNS are absolutely vital for how your emails are sent, received, and interpreted by other mail servers\u2014far from just technical language.<\/p>\n<p>Why is this rather crucial? Correct DNS configuration is essentially what separates your emails from being lost in the spam folder from getting in the inbox. It\u2019s about keeping your company\u2019s reputation, guaranteeing security, and streamlining your email infrastructure, not only about deliverability.<\/p>\n<p>Correct DNS configuration for Gmail: strengthens email security; improves the reputation of your domain; lowers the danger of your emails being labeled as spam; enables advanced capabilities and integrations.<\/p>\n<p>We\u2019ll demystify A-records and rDNS in this tutorial to show you how these potent tools could improve your Gmail performance and maintain seamless interactions.<\/p>\n<h2>Understanding DNS Basics<\/h2>\n<p>DNS, or Domain Name System, is like the internet\u2019s phonebook. It translates human-readable domain names (like gmail.com) into IP addresses (like 172.217.164.37) that computers use to identify each other on the network. Without DNS, we\u2019d have to remember complex number sequences instead of simple names for websites and email addresses.<\/p>\n<h3>Role of DNS in Email Delivery<\/h3>\n<p>In email delivery, DNS plays a crucial role:<\/p>\n<ol>\n<li>Finding the Mail Server. When you send an email, DNS helps locate the recipient\u2019s mail server.<\/li>\n<li>Verifying Sender Identity. DNS records can confirm that an email is really from who it claims to be from.<\/li>\n<li>Routing. It ensures emails are routed correctly across the internet.<\/li>\n<li>Spam Prevention. Many anti-spam technologies rely on DNS to check the reputation of sending servers.<\/li>\n<\/ol>\n<h3>Common DNS Record Types Related to Email<\/h3>\n<ol>\n<li><strong>MX (Mail Exchanger) Records.<\/strong> Direct emails to the correct mail servers.<\/li>\n<li><strong>A (Address) Records.<\/strong> Map domain names to IP addresses.<\/li>\n<li><strong>PTR (Pointer) Records<\/strong>. Used for reverse DNS lookups, linking IP addresses back to domain names.<\/li>\n<li><strong>SPF (Sender Policy Framework) Records.<\/strong> Specify which mail servers are authorized to send email for your domain.<\/li>\n<li><strong>DKIM (DomainKeys Identified Mail) Records.<\/strong> Part of email authentication, allowing recipients to verify that an email was indeed sent and authorized by the owner of that domain.<\/li>\n<li><strong>DMARC (Domain-based Message Authentication, Reporting &amp; Conformance) Records.<\/strong> Tell receiving mail servers what to do if an email fails SPF or DKIM checks.<\/li>\n<\/ol>\n<p>Related \u2013 <span><a href=\"https:\/\/www.warmy.io\/blog\/google-mx-record-configuration-tips-tricks\/\" rel=\"noopener\" target=\"_blank\">Google MX Record Configuration: Tips and Tricks<\/a><\/span><\/p>\n<h2>A-Records Explained<br \/>\n<\/h2>\n<p><iframe width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/9CZDPZuhUH8\" frameborder=\"0\" allowfullscreen allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"><\/iframe><\/p>\n<p>A-Records, or Address Records, are fundamental DNS records that map a domain name to an IPv4 address. Their primary purpose is to allow the DNS system to translate a human-readable domain name (like mail.yourdomain.com) into an IP address that computers can use to locate and connect to that server.<\/p>\n<h3>How A-Records Affect Gmail Functionality<\/h3>\n<p>For Gmail, especially when used with Google Workspace (formerly G Suite), A-Records play several crucial roles:<\/p>\n<ol>\n<li>Email Routing. Ensures that incoming emails are correctly routed to Google\u2019s servers.<\/li>\n<li>Service Authentication. Helps verify that your domain is authorized to use Gmail services.<\/li>\n<li>Web Access. Enables access to Gmail\u2019s web interface through your custom domain.<\/li>\n<li>Integration with Other Google Services. Facilitates smooth integration with other Google Workspace apps.<\/li>\n<\/ol>\n<h3>Common Issues Caused by Incorrect A-Record Configuration<\/h3>\n<p>Improper A-Record setup can lead to several problems:<\/p>\n<ol>\n<li>Email Delivery Failures. Emails may bounce or get lost if they can\u2019t find the correct server.<\/li>\n<li>Authentication Errors. Google may not recognize your domain as authorized for Gmail services.<\/li>\n<li>Access Problems. Users might be unable to log in to Gmail through your custom domain.<\/li>\n<li>Security Vulnerabilities. Incorrect configuration could potentially route emails to the wrong servers, compromising security.<\/li>\n<li>SPF Record Conflicts. Misaligned A-Records can conflict with SPF records, causing email authentication issues.<\/li>\n<li>Service Disruptions. Other Google Workspace services integrated with Gmail might not function properly.<\/li>\n<\/ol>\n<p>Related \u2013 <span><a href=\"https:\/\/www.warmy.io\/blog\/gmail-smtp-settings-guide-configuring-gmail-smtp\/\" rel=\"noopener\" target=\"_blank\">Gmail SMTP Settings: A Step-by-Step Guide to Configuring Your Gmail SMTP<\/a><\/span><\/p>\n<h2>Step-by-Step Guide: Setting Up A-Records for Gmail<br \/>\n<\/h2>\n<h3>Accessing Your Domain&#8217;s DNS Settings<\/h3>\n<ul>\n<li>Identify your domain registrar (e.g., GoDaddy, Namecheap, Google Domains).<\/li>\n<li>Log into your domain registrar\u2019s account.<\/li>\n<li>Navigate to the DNS management section (often labeled \u201cDNS Settings\u201d or \u201cName Servers\u201d).<\/li>\n<\/ul>\n<h3>Creating the Necessary A-Records<\/h3>\n<ol>\n<li>Locate the option to add a new record.<\/li>\n<li>Select \u201cA\u201d as the record type.<\/li>\n<li>For the host or name field:\n<ul>\n<li>Enter \u201c@\u201d for your root domain<\/li>\n<li>Enter \u201cmail\u201d for a subdomain (if required)<\/li>\n<\/ul>\n<\/li>\n<li>For the value or points to field, enter the appropriate Google IP addresses:\n<ul>\n<li>142.250.153.26<\/li>\n<li>142.250.153.27<\/li>\n<li>142.250.153.28<\/li>\n<li>142.250.153.38<\/li>\n<\/ul>\n<\/li>\n<li>Set the TTL (Time to Live) to 3600 seconds (1 hour) or as recommended by Google.<\/li>\n<li>Save the new record.<\/li>\n<\/ol>\n<h3>Verifying A-Record Configuration<\/h3>\n<ul>\n<li>Wait for DNS propagation (can take up to 48 hours, but often much quicker).<\/li>\n<li>Use a DNS lookup tool (like MXToolbox or Google\u2019s Admin Toolbox).<\/li>\n<li>Enter your domain name and select A-Record lookup.<\/li>\n<li>Confirm that the A-Records match the Google IP addresses you entered.<\/li>\n<\/ul>\n<h3>Troubleshooting Common A-Record Issues<\/h3>\n<ol>\n<li>\u201cA-Record Not Found\u201d Error:\n<ul>\n<li>Double-check that you\u2019ve saved the changes in your DNS settings.<\/li>\n<li>Ensure you\u2019re looking up the correct domain or subdomain.<\/li>\n<\/ul>\n<\/li>\n<li>Incorrect IP Addresses:\n<ul>\n<li>Verify that you\u2019ve entered the Google IP addresses correctly.<\/li>\n<li>Check for any typos in the IP addresses.<\/li>\n<\/ul>\n<\/li>\n<li>Changes Not Reflecting:\n<ul>\n<li>Remember that DNS changes can take time to propagate.<\/li>\n<li>Try clearing your DNS cache or using a different network to check.<\/li>\n<\/ul>\n<\/li>\n<li>Conflicts with Existing Records:\n<ul>\n<li>Look for any conflicting CNAME records that might override your A-Records.<\/li>\n<li>Ensure there are no conflicting A-Records for the same host.<\/li>\n<\/ul>\n<\/li>\n<li>Gmail Services Not Working:\n<ul>\n<li>Verify that you\u2019ve completed all steps in Google Workspace setup, not just A-Record configuration.<\/li>\n<li>Check Google Workspace Admin Console for any alerts or required actions.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>Reverse DNS (rDNS) <\/h2>\n<p>Reverse DNS (rDNS), also known as reverse DNS lookup or reverse DNS resolution, is the process of determining the domain name associated with an IP address. It\u2019s the opposite of the usual DNS lookup, which translates domain names into IP addresses.<\/p>\n<p>In technical terms:<\/p>\n<ul>\n<li>Regular DNS: Domain Name \u2192 IP Address<\/li>\n<li>Reverse DNS: IP Address \u2192 Domain Name<\/li>\n<\/ul>\n<p>rDNS uses PTR (Pointer) records in the DNS system to map an IP address to a domain name.<\/p>\n<h3>Importance of rDNS for Email Servers<\/h3>\n<p>rDNS plays a crucial role in email server operations:<\/p>\n<ol>\n<li>Authentication: It helps verify the legitimacy of the sending server.<\/li>\n<li>Reputation: A properly configured rDNS can improve your email server\u2019s reputation.<\/li>\n<li>Compliance: Many email providers require valid rDNS for accepting incoming mail.<\/li>\n<li>Troubleshooting: It aids in diagnosing email delivery issues.<\/li>\n<\/ol>\n<h3>How rDNS Impacts Email Deliverability and Spam Filtering<\/h3>\n<p>rDNS significantly influences email deliverability and spam filtering:<\/p>\n<ol>\n<li>Improved Deliverability:\n<ul>\n<li>Many receiving servers check rDNS before accepting emails.<\/li>\n<li>A matching rDNS record increases the likelihood of email acceptance.<\/li>\n<\/ul>\n<\/li>\n<li>Spam Filtering:\n<ul>\n<li>Lack of rDNS or mismatched records can trigger spam filters.<\/li>\n<li>Spammers often use IP addresses without proper rDNS, making it a useful indicator for spam detection.<\/li>\n<\/ul>\n<\/li>\n<li>Sender Reputation:\n<ul>\n<li>Consistent rDNS records contribute to a positive sender reputation.<\/li>\n<li>This reputation affects how email providers treat your messages.<\/li>\n<\/ul>\n<\/li>\n<li>Bypass Greylisting:\n<ul>\n<li>Some servers use greylisting to temporarily reject emails from unknown senders.<\/li>\n<li>Proper rDNS can help bypass this, reducing email delivery delays.<\/li>\n<\/ul>\n<\/li>\n<li>Email Authentication:\n<ul>\n<li>rDNS is often used in conjunction with other authentication methods like SPF and DKIM.<\/li>\n<li>This multi-layered approach enhances overall email security and deliverability.<\/li>\n<\/ul>\n<\/li>\n<li>User Experience:\n<ul>\n<li>In some email clients, the rDNS name may be displayed to the recipient.<\/li>\n<li>A proper rDNS record can make your emails appear more professional and trustworthy.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>Implementing rDNS for Gmail<br \/>\n<\/h2>\n<h3>Prerequisites for rDNS Setup<\/h3>\n<p>Before setting up rDNS for your Gmail server, ensure you have:<\/p>\n<ol>\n<li>A static IP address assigned to your domain<\/li>\n<li>Administrative access to your domain\u2019s DNS settings<\/li>\n<li>Google Workspace (formerly G Suite) account set up for your domain<\/li>\n<li>Properly configured MX and A records for your domain<\/li>\n<\/ol>\n<h3>Coordinating with Your ISP or Hosting Provider<\/h3>\n<p>For rDNS setup, you\u2019ll likely need to work with your Internet Service Provider (ISP) or hosting provider:<\/p>\n<ol>\n<li>Contact your ISP or hosting provider\u2019s support team<\/li>\n<li>Request rDNS (PTR record) setup for your IP address<\/li>\n<li>Provide them with the desired rDNS hostname (e.g., mail.yourdomain.com)<\/li>\n<li>Follow any specific instructions or forms they provide<\/li>\n<\/ol>\n<p>Note: Some providers offer self-service tools for rDNS configuration. Check your control panel or account dashboard for this option.<\/p>\n<h3>Configuring rDNS for Your Gmail Server<\/h3>\n<p>While Google manages the mail servers for Gmail, you need to ensure your domain\u2019s DNS is correctly set up:<\/p>\n<ol>\n<li>Log into your Google Workspace Admin Console<\/li>\n<li>Go to \u201cApps\u201d &gt; \u201cGoogle Workspace\u201d &gt; \u201cGmail\u201d<\/li>\n<li>Click on \u201cAdvanced settings\u201d<\/li>\n<li>In the \u201cRouting\u201d section, find \u201cOutbound gateway\u201d<\/li>\n<li>Add your static IP address as an outbound gateway<\/li>\n<li>Save changes<\/li>\n<\/ol>\n<h3>Testing and Verifying rDNS Setup<\/h3>\n<p><strong>After setup, it\u2019s crucial to verify that rDNS is working correctly:<\/strong><\/p>\n<ol>\n<li>Use an online rDNS lookup tool (e.g., MXToolbox, DNS Checker)<\/li>\n<li>Enter your static IP address<\/li>\n<li>Verify that it resolves to your specified hostname<\/li>\n<\/ol>\n<p><strong>Additional tests:<\/strong><\/p>\n<ol>\n<li>Send a test email to an external address<\/li>\n<li>Check the email headers of the received message<\/li>\n<li>Look for the \u201cReceived\u201d headers to confirm your rDNS is being used<\/li>\n<\/ol>\n<p><strong>Troubleshooting<\/strong>:<\/p>\n<ul>\n<li>If rDNS lookup fails, double-check with your ISP that the PTR record is set correctly<\/li>\n<li>Ensure the hostname in your PTR record matches the A record for your domain<\/li>\n<li>Remember that DNS changes can take up to 48 hours to propagate fully<\/li>\n<\/ul>\n<p><strong>Important Notes:<\/strong><\/p>\n<ul>\n<li>Google\u2019s Gmail servers handle most of the email sending process for Google Workspace users<\/li>\n<li>The rDNS setup mainly affects how your domain appears when you use SMTP relay services or send through your own mail server<\/li>\n<li>For standard Gmail use through Google Workspace, Google\u2019s own rDNS records will typically be used<\/li>\n<\/ul>\n<h2>Troubleshooting DNS Issues<\/h2>\n<p><strong>1. Emails not being delivered<\/strong><br \/>\u2013 Cause: Incorrect MX records or A records<br \/>\u2013 Symptom: Bounced emails or delayed delivery<\/p>\n<p><strong>2. Emails marked as spam<\/strong><br \/>\u2013 Cause: Missing or incorrect SPF, DKIM, or DMARC records<br \/>\u2013 Symptom: Emails landing in recipients\u2019 spam folders<\/p>\n<p><strong>3. Unable to send emails<\/strong><br \/>\u2013 Cause: Incorrect outbound mail server settings or blocked IP<br \/>\u2013 Symptom: Error messages when trying to send emails<\/p>\n<p><strong>4. Inconsistent email delivery<\/strong><br \/>\u2013 Cause: DNS propagation issues or conflicting records<br \/>\u2013 Symptom: Intermittent email delivery problems<\/p>\n<p><strong>5. Authentication failures<\/strong><br \/>\u2013 Cause: Mismatched rDNS (PTR) records<br \/>\u2013 Symptom: Increased spam score or rejected emails<\/p>\n<h2>Advanced Topics<br \/>\n<\/h2>\n<h3>Load Balancing with Multiple MX Records<\/h3>\n<p>Load balancing with multiple MX (Mail Exchanger) records allows for improved email reliability and performance by distributing incoming mail across several servers.<\/p>\n<p><strong>Key points:<\/strong><\/p>\n<ol>\n<li>Priority values: Lower numbers indicate higher priority. Emails are first sent to the lowest-numbered MX record.<\/li>\n<li>Failover: If the highest priority server is unavailable, the next one is tried.<\/li>\n<li>Round-robin distribution: Servers with the same priority may receive emails in a round-robin fashion for basic load balancing.<\/li>\n<\/ol>\n<p><strong>Example configuration:<\/strong><\/p>\n<p><code>yourdomain.com. MX 10 primarymail.yourdomain.com.<br \/>\n<\/code><code>yourdomain.com. MX 20 secondarymail.yourdomain.com.<br \/>\n<\/code><code>yourdomain.com. MX 30 backupmail.yourdomain.com.<\/code><\/p>\n<p>\u00a0<\/p>\n<p><strong>Considerations<\/strong>:<\/p>\n<ul>\n<li>Ensure all servers are properly configured to handle incoming mail.<\/li>\n<li>Monitor server health and adjust priorities as needed.<\/li>\n<li>Be aware that not all senders respect priorities strictly.<\/li>\n<\/ul>\n<h3>Implementing DNSSEC for Enhanced Security<\/h3>\n<p>DNSSEC (Domain Name System Security Extensions) adds a layer of trust to DNS by cryptographically signing DNS records.<\/p>\n<p><strong>Key aspects:<\/strong><\/p>\n<ol>\n<li>Authentication: Verifies that DNS responses come from the authoritative source.<\/li>\n<li>Integrity: Ensures DNS data hasn\u2019t been tampered with during transmission.<\/li>\n<li>Chain of trust: Creates a hierarchical authentication from the root zone down to individual domain records.<\/li>\n<\/ol>\n<p><strong>Implementation steps:<\/strong><\/p>\n<ol>\n<li>Generate DNSSEC key pairs for your domain.<\/li>\n<li>Sign your DNS zone with these keys.<\/li>\n<li>Upload the public key to your parent zone (usually via your domain registrar).<\/li>\n<li>Enable DNSSEC validation on your DNS resolvers.<\/li>\n<\/ol>\n<p><strong>Considerations<\/strong>:<\/p>\n<ul>\n<li>Requires support from your DNS provider and domain registrar.<\/li>\n<li>Key management is crucial; mismanagement can lead to domain inaccessibility.<\/li>\n<li>Regular key rotation is recommended for enhanced security.<\/li>\n<\/ul>\n<h3>Considerations for Multi-Region Email Setups<\/h3>\n<p>Multi-region email setups are crucial for global organizations aiming for improved performance and compliance with data localization requirements.<\/p>\n<p><strong>Key considerations:<\/strong><\/p>\n<ol>\n<li><strong>Geographically distributed MX records:<\/strong>\n<ul>\n<li>Use AnyCast DNS or GeoDNS to route emails to the nearest server.<\/li>\n<li>Example:\u00a0<code>mail.yourdomain.com. IN MX 10 us-east.mail.yourdomain.com.<br \/>\nmail.yourdomain.com. IN MX 10 eu-west.mail.yourdomain.com.<br \/>\nmail.yourdomain.com. IN MX 10 asia-east.mail.yourdomain.com.<\/code>\u00a0<\/li>\n<\/ul>\n<\/li>\n<li><strong>Data synchronization:<\/strong>\n<ul>\n<li>Implement robust replication mechanisms between regional email servers.<\/li>\n<li>Consider latency in your synchronization strategy.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Consistent DNS configuration:<\/strong>\n<ul>\n<li>Ensure SPF, DKIM, and DMARC records are consistent across regions.<\/li>\n<li>Use include mechanisms in SPF to maintain a single, authoritative record.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Compliance and data sovereignty:<\/strong>\n<ul>\n<li>Be aware of varying data protection laws in different regions.<\/li>\n<li>Implement appropriate data routing and storage policies.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Monitoring and analytics:<\/strong>\n<ul>\n<li>Set up centralized monitoring for all regional email infrastructures.<\/li>\n<li>Analyze traffic patterns to optimize server allocation and routing.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Failover and disaster recovery:<\/strong>\n<ul>\n<li>Implement cross-region failover mechanisms.<\/li>\n<li>Regularly test failover procedures to ensure business continuity.<\/li>\n<\/ul>\n<\/li>\n<li><strong>User experience:<\/strong>\n<ul>\n<li>Consider implementing a global address list for seamless user experience across regions.<\/li>\n<li>Ensure consistent email client configurations across all regions.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>How to Check SPF, DKIM, and DMARC Settings: Warmy Email Spam Test<br \/>\n<\/h2>\n<p><iframe width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/IQ3ZZ_t_Bm4\" frameborder=\"0\" allowfullscreen allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"><\/iframe><\/p>\n<p>Ensuring your email authentication protocols are correctly set up is crucial for optimal email deliverability. The free <a href=\"https:\/\/www.warmy.io\/free-tools\/email-deliverability-test\" target=\"_blank\" rel=\"noopener noreferrer\">Warmy email spam test<\/a> offers a comprehensive solution to verify your SPF, DKIM, and DMARC settings quickly and easily.<\/p>\n<p>Here\u2019s what Warmy\u2019s test provides:<\/p>\n<ol>\n<li><strong>Authentication Verification.<\/strong> Checks the correctness of your SPF, DKIM, and DMARC configurations.<\/li>\n<li><strong>Deliverability Insights.<\/strong> Shows where your emails are likely to land (inbox, spam, or blocked) across various providers.<\/li>\n<li><strong>Blacklist Check.<\/strong> Verifies if your domain or IP is on any known blacklists.<\/li>\n<li><strong>Additional Diagnostics.<\/strong> Provides extra information about your email setup, helping identify potential issues.<\/li>\n<\/ol>\n<p>This quick and free test can save you hours of troubleshooting and help ensure your emails reach their intended recipients. By regularly using tools like Warmy, you can maintain high deliverability rates and catch potential issues before they impact your email communication.<\/p>\n<h2>Conclusion<\/h2>\n<p>As we conclude our thorough investigation into Gmail DNS configuration \u2013 especially with an eye toward A-Records and rDNS \u2013 it is abundantly evident that mastery of these components is essential for everyone serious about maximizing their email system.<\/p>\n<p>Effective application of A-Records guarantees correct linking of your domain and Gmail services, so enabling seamless email delivery and reception. Your email correspondence is formed on this basis, which guides traffic to the correct servers and creates the identification of your domain on the large internet scene.<\/p>\n<p>Conversely, rDNS gives your email configuration an additional degree of validity. rDNS is quite important in enhancing email deliverability and lowering the possibility of your messages being identified as spam by letting receiving servers confirm the integrity of your sender IP address.<\/p>\n<p>Recall in the realm of email that reputation is everything.<\/p>\n<p>\ud83d\udcdc <strong>Related articles<\/strong>:<\/p>\n<ul>\n<li><span><a href=\"https:\/\/www.warmy.io\/blog\/10-reasons-why-gmail-is-blocking-your-emails\" rel=\"noopener\" target=\"_blank\">10 Reasons Why Gmail Is Blocking Your Emails<\/a><\/span><\/li>\n<li><span><a href=\"https:\/\/www.warmy.io\/blog\/how-many-emails-can-i-send-via-gmail-and-outlook\" rel=\"noopener\" target=\"_blank\">How many emails can I send via Gmail and Outlook?<\/a><\/span><\/li>\n<li><span><a href=\"https:\/\/www.warmy.io\/blog\/how-to-remove-ip-address-gmail-blacklist-removal-guide\/\" rel=\"noopener\" target=\"_blank\">Remove IP from Gmail Blacklist: Ultimate Fix [SOLVED]<\/a><\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>DNS settings like A-records and rDNS are absolutely vital for how your emails are sent, received, and interpreted by other mail servers\u2014far from just technical language. Why is this rather crucial? Correct DNS configuration is essentially what separates your emails from being lost in the spam folder from getting in the inbox. It\u2019s about keeping [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[],"class_list":["post-3934","post","type-post","status-publish","format-standard","hentry","category-email-deliverability"],"acf":[],"lang":"en","translations":{"en":3934},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/posts\/3934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/comments?post=3934"}],"version-history":[{"count":0,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/posts\/3934\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/media?parent=3934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/categories?post=3934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/tags?post=3934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}