How do I verify multiple domains in Mailchimp to fix DMARC and DKIM issues?

Summary

To verify multiple domains in Mailchimp and resolve DMARC/DKIM issues, each domain must be individually added, verified, and authenticated in your Mailchimp account. This typically involves accessing the Domains section in Mailchimp, clicking 'Authenticate', and following the instructions. This process includes adding CNAME and DKIM records to your domain's DNS settings. Tools such as MXToolbox and online DKIM validators can assist in identifying and resolving DNS record errors. Remember that each domain's reputation is managed independently, so it's vital to monitor deliverability metrics and address issues promptly for each domain. Proper authentication is crucial to maintain a good sending reputation, prevent deliverability problems, avoid spam and phishing, and enable segmentation of email marketing efforts across different brands or business units. Creating and configuring DMARC records correctly in your DNS settings tells receiving mail servers how to handle unauthenticated emails, helping to combat email abuse. Ignoring DMARC report issues that are unrelated to the Mailchimp configuration itself.

Key findings

  • Domain Verification: Each domain must be added, verified, and authenticated separately in Mailchimp.
  • DNS Configuration: CNAME, DKIM, and DMARC records in DNS settings are essential for proper authentication.
  • Independent Reputation: Each domain's sending reputation is managed independently.
  • Diagnostic Tools: Tools like MXToolbox and DKIM validators help identify DNS issues.
  • DMARC Importance: DMARC records guide email servers on handling unauthenticated emails.

Key considerations

  • Reputation Monitoring: Monitor deliverability metrics for each domain to maintain a positive sending reputation.
  • Prompt Issue Resolution: Address any deliverability or authentication issues promptly to prevent negative impact.
  • Authentication Purpose: Proper authentication is key to preventing spam and phishing attempts.
  • Segmentation Benefits: Using multiple domains can segment email marketing efforts effectively.
  • Email Abuse Mitigation: Configuring DMARC correctly is important for preventing email abuse and spoofing.

What email marketers say
11Marketer opinions

To verify multiple domains in Mailchimp and fix DMARC/DKIM issues, each domain needs to be individually added and verified in your Mailchimp account. This involves updating your DNS settings with DKIM and DMARC records. Using tools like MXToolbox and DKIM validators can help diagnose and resolve DNS record issues. Properly authenticating each domain is crucial to maintain a good sending reputation and prevent deliverability problems, spam, and phishing. Consider segmenting your email marketing efforts by authenticating each domain if you send from multiple brands or business units.

Key opinions

  • Domain Verification: Each domain must be individually added and verified within your Mailchimp account.
  • DNS Records: DKIM and DMARC records must be correctly configured in your DNS settings for each domain.
  • Authentication Importance: Proper authentication is vital for maintaining a good sending reputation and preventing deliverability issues.
  • Diagnostic Tools: Tools like MXToolbox and DKIM validators can help identify and resolve DNS record errors.
  • Multiple Domains: Multiple domains can be used to segment marketing efforts but must be individually authenticated to avoid spam and phishing.

Key considerations

  • Individual Reputation: Maintain each domain's sending reputation separately by monitoring deliverability metrics.
  • DMARC Setup: Ensure DMARC policies are properly configured for each domain to instruct receiving mail servers on how to handle unauthenticated emails.
  • Online Validators: Use online DKIM validators to check if your DKIM records are set up correctly for each domain.
  • Segmentation: If using multiple brands or business units, authenticate each sending domain separately to avoid impacting the deliverability of others.
  • Prevent Spam/Phishing: Authenticating each domain helps prevent spam and phishing by proving legitimate ownership.
Marketer view

Email marketer from MailerCheck answers that setting up DMARC involves creating a DMARC record in your DNS settings that tells receiving mail servers how to handle emails that fail authentication checks. For multiple domains, ensure each has its own DMARC record configured correctly.

March 2024 - MailerCheck
Marketer view

Email marketer from DMARC Analyzer shares that creating a DMARC record in your DNS settings that tells receiving mail servers how to handle emails that fail authentication checks, is important for DMARC setup. For multiple domains, ensure each has its own DMARC record configured correctly.

March 2025 - DMARC Analyzer
Marketer view

Email marketer from MXToolbox shares that using diagnostic tools like MXToolbox can help identify and resolve issues with your domain's DNS records, including those related to DMARC, DKIM, and SPF, which are crucial for email authentication.

February 2023 - MXToolbox
Marketer view

Marketer from Email Geeks explains that the DMARC report issues are not related to the specific Mailchimp case.

April 2023 - Email Geeks
Marketer view

Email marketer from SendGrid shares that you can use multiple domains as sending domains in a Mailchimp account. It's important that each domain is added to the account and verified for sending.

March 2021 - SendGrid
Marketer view

Email marketer from GlockApps explains that if you send email marketing from multiple brands or business units, it makes sense to authenticate each sending domain separately. This way, you maintain a good sending reputation for each domain without impacting the deliverability of the others.

May 2023 - GlockApps
Marketer view

Marketer from Email Geeks shares that the user should check if both domains are added and verified on Mailchimp, ensuring that the one passing DKIM is correctly configured and double-checking the other domain.

August 2022 - Email Geeks
Marketer view

Email marketer from AuthSMTP explains that using multiple domains can help segment your email marketing efforts and protect your primary domain's reputation, but it's crucial to properly authenticate each domain to prevent spam and phishing.

September 2024 - AuthSMTP
Marketer view

Email marketer from Stack Overflow explains that you can use online DKIM validators to check if your DKIM record is set up correctly for each domain. This will help you identify any issues before they impact your email deliverability.

January 2023 - Stack Overflow
Marketer view

Email marketer from Reddit explains you can add multiple domains to your Mailchimp account. Each domain needs to be individually verified. You'll also need to set up separate DKIM records for each domain to ensure proper authentication and avoid deliverability issues.

July 2024 - Reddit
Marketer view

Email marketer from EasyDMARC Blog shares a step-by-step guide to Mailchimp authentication, emphasizing the importance of adding and verifying domains, setting up DKIM records, and understanding the role of DMARC in ensuring email deliverability.

January 2023 - EasyDMARC Blog

What the experts say
1Expert opinion

Laura Atkins from Word to the Wise emphasizes that each domain's reputation is managed independently. Therefore, when verifying multiple domains in Mailchimp to fix DMARC and DKIM issues, the focus should be on maintaining the individual reputation of each domain. This can be achieved by continuously monitoring deliverability metrics and addressing any issues promptly.

Key opinions

  • Independent Reputation: Each domain's reputation is managed separately.
  • Maintaining Reputation: Focus on maintaining the individual reputation of each domain when authenticating multiple domains.

Key considerations

  • Deliverability Monitoring: Continuously monitor deliverability metrics for each domain.
  • Prompt Issue Resolution: Address any issues promptly to maintain a positive domain reputation.
Expert view

Expert from Word to the Wise, Laura Atkins, responds that each domain's reputation is managed independently. When authenticating multiple domains, focus on maintaining the individual reputation of each by monitoring deliverability metrics for each domain and addressing any issues promptly.

November 2024 - Word to the Wise

What the documentation says
3Technical articles

To authenticate a domain in Mailchimp, you must add and verify it by accessing the Domains section of your account, clicking 'Authenticate,' and following the instructions. This process typically involves adding CNAME records to your domain's DNS settings. DKIM authentication also requires adding a DKIM record to your domain's DNS settings to prove that Mailchimp has permission to send emails on your behalf. DMARC, a technical specification, helps email senders and receivers determine how to handle unauthorized emails, addressing email abuse.

Key findings

  • Domain Verification Process: Adding and verifying a domain in Mailchimp involves accessing the Domains section, authenticating, and adding CNAME records to DNS.
  • DKIM Authentication: DKIM authentication requires adding a DKIM record to the domain's DNS settings.
  • DMARC Functionality: DMARC helps email senders and receivers manage unauthorized emails and combat email abuse.

Key considerations

  • DNS Settings: Properly configure DNS settings, including CNAME and DKIM records, for successful domain and DKIM authentication.
  • Authentication Purpose: Understand that authentication verifies your permission to send emails on behalf of your domain.
  • DMARC Implementation: Implement DMARC to provide instructions to email receivers on handling unauthenticated emails and to combat email abuse.
Technical article

Documentation from Mailchimp explains that to authenticate a domain, you must add and verify it in Mailchimp. This involves accessing the Domains section of your account, clicking 'Authenticate,' and following the instructions which usually involve adding CNAME records to your domain's DNS settings.

November 2024 - Mailchimp
Technical article

Documentation from RFC answers that DMARC (Domain-based Message Authentication, Reporting & Conformance) is a technical specification created by a group of organizations that wanted to address the rampant abuse of email. It helps email senders and receivers determine how to handle unauthorized emails.

March 2024 - RFC
Technical article

Documentation from Mailchimp details the process of DKIM authentication, explaining how to add a DKIM record to your domain's DNS settings to prove that Mailchimp has permission to send emails on behalf of your domain.

April 2021 - Mailchimp

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