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persona based dkim signing is not working

Posted: Thu Feb 25, 2021 2:04 pm
by oetiker

I have a user on my zimbra server with one box ( and a alias (
The user has a second persona configured, for the second address. So he can choose which sender address
is used.

The domains and are configured with a dkimkey on this zimbra server and the dkim is configured in the DNS.
Bud the outgoing emails are always signed with the signature, it does not matter, which persona the
user is selecting.

In the end, emails are sent with and are signed with So this is not working and the emails end up in the
spam folder or if there is a more strict configuration in the DNS the mails get rejected.

Is this a bug?

Cheers Manuel