Hi all,
this is not a Postfix specific question, but I hope I'll find some
experts on that topic here ;)
A long time ago I've implemented SPF/DKIM/DMARC signing/checking for the
two domains served by my Postfix instance. As everything seemed to work
fine, I recently moved from permissive to
: Robert Senger
Sent: Monday, May 25, 2015 3:50 PM
To: postfix-users@postfix.org
Subject: Need advice from SPF/DKIM/DMARC experts
Hi all,
this is not a Postfix specific question, but I hope I'll find some
experts on that topic here ;)
A long time ago I've implemented SPF/DKIM/DMARC signing
Am Montag, den 25.05.2015, 16:27 +0200 schrieb Sebastian Nielsen:
I would suggest explicity null:ing the SPF signature instead of passing it,
for list mail.
This is done with v=spf1 ?all
A null SPF signature is same as no signature at all (same as if the SPF
record didnt exist at all),
