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Re:SPF, DMARC, and DKIM: How to Keep Your Email Out of the S... by talideon on Tuesday June 21, 2016 @01:34PM (#11947591)
For DKIM, rspamd/rmilter are a great alternative to OpenDKIM if you want to build the DKIM check into your regular spam checks.

One minor downside of rmilter is that it will only sign the headers of mail sent by by authenticated users. This isn't a huge deal, but can be a bit of an irritation.

Re:SPF, DMARC, and DKIM: How to Keep Your Email Out of the S... by cebka on Tuesday June 21, 2016 @03:29PM (#11948708)
Rmilter now can sign mail that come from certain networks as well.
Re:SPF, DMARC, and DKIM: How to Keep Your Email Out of the S... by talideon on Tuesday June 21, 2016 @09:09PM (#11950890)
That's good to know. I'll have to check that out. The packaged version the FreeBSD port didn't have that last time I looked, but that could just have been me missing something.

Edit: just noticed the 'sign_networks' and 'our_networks' settings. Thanks for that, and thanks for rspamd and rmilter! They're great software!