Google and Yahoo announced requirements that bulk senders must have DMARC in place beginning February 2024.
Google and Yahoo both recognize the importance of email and are taking steps toward making it more safe and secure. By focusing on email validation, they are helping prevent unwanted spam and potential bad actors from reaching their customers’ inboxes.
Overview of a DMARC
Domain-based Message Authentication, Reporting & Conformance (DMARC) is an email authentication, policy, and reporting protocol. It uses Sender Policy Framework (SPF) and DomainKeys Identified Mail (DKIM) protocols, adding a connection to the domain name for recipient handling of authentication failures and reporting from receivers to senders. Furthermore, it is to improve and monitor the protection of the domain from fraudulent email.
Sending from a domain with DMARC in place has the benefit of improving inbox placement. A DMARC record helps ISPs identify you as a sender who is serious about following established email standards and reducing your spam liability.
Accommodating email records
Your messages pass SPF using the same domain as your message From: header. This is the Return-Path value within email headers. This header value is called the bounce domain, envelope-from, or MailFrom.
Beginning February 2024, emails must pass DMARC through these requirements:
- Authenticating with SPF.
- Authenticating with DKIM.
- Published DMARC TXT record.
DMARC
| Subdomain | _dmarc |
| Record Data | v=DMARC1; p=none; (Minimum required) |
| Suggested to add emails for stat data | v=DMARC1; p=none; rua=mailto:username@example_1.tld; ruf=mailto:username@example_2.tld;fo=1 |
SPF
| TXT | Root Domain |
| Record Data | v=spf1 include:_spf.hostedemail.com ~all Note: For the Hosted Email platform. |
Adding the DMARC record
- Log in to the Reseller Control Panel (RCP).
- Enter the domain name in the search field.
- Click Search.
- Click on the domain name from the search results.
- Click Edit in the DNS section.
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Fill in the subdomain field with _dmarc and click Add Sub-domain.
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Select TXT from the add record drop-down menu.
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Enter the record in the text field.
Note: Replace username@example.tld with your email address.v=DMARC1; p=none; rua=mailto:username@example.com; ruf=mailto:username@example.com;fo=1
- Click Save DNS settings.
Additional information
- Yahoo - An Update on Enforcing Email Standards
- Google - New Gmail protections for a safer, less spammy inbox
- Dmarcian - Understanding Gmail and Yahoo DMARC Requirements
- DMARC Record Checker
- How to configure DKIM for Automated Outbound emails
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