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How to Set Up DKIM for ProtonMail?


Domain Keys Identified Mail (DKIM) is a technique used to verify the authenticity of an email message. This enables you to trust that an email was sent from your business and has not been tampered with along the way. DKIM adds a signature to your outgoing email messages so recipients know your email can be trusted.


ProtonMail recommends that you configure DKIM for your domain as it helps you protect your information even in case of forwarded email messages. 

How to Create a DKIM record for ProtonMail? 

You can easily configure DKIM for ProtonMail by following the instructions given below: 


  • Log in to your ProtonMail account as the administrator

  • Click on Settings 

  • Navigate to Organization → Custom domains → Actions → Review

  • Select the DKIM tab 


You will find 3 CNAME records pre-generated for your domain. All you need to do is copy the CNAME records and paste them into your DNS to configure DKIM for ProtonMail. 



NoteThe records shown above are merely an example. Replace them with unique CNAME record values generated by ProtonMail for your domain. 


To check your DKIM record, use our DKIM record lookup tool. This will help you faultless any syntactical errors. 


To protect your domain from email spoofing and impersonation, sign up for our DMARC analyzer today! 




P
PowerDMARC is the author of this solution article.

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