<dkim> check online
- send an email message to:
dkim@tester.realsender.com
- check online the DKIM validation results:
(it will take a minute to appear)
https://tester.realsender.com/dkim
RealSender DKIM check online will add a subject prefix, if the message has not been signed correctly:
!! dkim-none !! no DKIM-Signature headers (valid or invalid) were found
!! dkim-fail !! a valid DKIM-Signature header was found, but the signature
does not contain a correct value for the message
Sometimes it’s not possible to execute the check:
!! dkim-invalid !! there is a problem in the signature itself or the public key record.
I.e. the signature could not be processed
!! dkim-temperror !! some error was found which is likely transient in nature,
such as a temporary inability to retrieve a public key
When the message has been signed using a different domain, a “diff” alert will be added to the subject.
This warning will NOT be displayed if the sender passes the SPF check and SPF alignment for dmarc:
!! dkim-diff !! the message has NOT been signed by the sender's domain
If the message passes both DKIM check AND DKIM alignment check for DMARC (relaxed alignment), you will get:
|OK| dkim-pass your email passes DKIM check + DKIM alignment check
If only one, DKIM OR SPF, passes the alignment check for DMARC (relaxed alignment),
the message is still considered “OK” (trusted) and the ~ (tilde) symbol is added at the beginning:
|~OK| dkim-pass your email passes DKIM check (not the alignment) + SPF alignment check