Re: I would like to move from a QMail setup but what about DKIM, DMARC and SFP? (Issue #57)

Hi Philip,

welcome to the list!


Am 25.01.25 um 04:26 schrieb Philip Rhoades via courier-users:
> Anyone done DKIM and DMARC?

We moved from QMail to courier long time ago.

DKIM and DMARC can be implemented using zdkimfilter by Alessandro 
Vesely, which can be found at
https://www.tana.it/sw/zdkimfilter/
We're quite happy with this implementation. Not necessarily with DMARC 
itself but that's another issue. :)

This filter signs messages that come to the mailserver via authenticated 
SMTP. Keep in mind that messages submitted locally with sendmail or 
unauthenticated via 127.0.0.1 (e.g. from PHP scripts) are not getting 
signed. All modern web apps can use authenticated SMTP, so it's not a 
problem at all but you should know about.


You should also take a look at Gordon Messmer's Pythonfilter package:
https://github.com/gordonmessmer/courier-pythonfilter




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