What is dkim record

If the two matches, the message is let through. DKIM alone does not prevent domain spoofing. The best way to manage this is by adding your new keys, and a few days later removing your old keys DNS records for your domain.

Postmark is one of the only ESPs that make it easy to manage this rotation because we keep your old private key active while your new public key propagates. Don't miss our other guides on these protocols to learn more about how they work together to protect your domain.

Yes, and no. Zachary Harris found a vulnerability in short DKIM keys that allowed him to factor bit keys in about 24 hours. This tells the receiving mail server which DKIM key should be used for validation. Our premium DMARC monitoring with a single dashboard to monitor all mail sources, 60 days of history, and actionable recommendations.

Our monthly newsletter is packed full of email tips, product announcements, and interviews with industry experts. Solutions Image Widgets. Partners Image Widgets. Support Image Widgets. What is DKIM record and how to create it? Not Finding Your Answers? Was This Article Helpful? How may we assist you? Sometimes there will be forward slashes or other unusual characters in the DKIM record.

If you have any questions or concerns, contact support. For example, on the domain example. DKIM gives emails a signature header that is added to the email and secured with encryption. Each DKIM signature contains all the information needed for an email server to verify that the signature is real, and it is encrypted by a pair of DKIM keys. These signatures travel with the emails and are verified along the way by the email servers that move the emails toward their final destination.

If the key is found, it can be used to decrypt the DKIM signature.