Thank you all for the help.
Well, then how do I whitelist in SPF? I am using openspf
(postfix-policyd-spf-perl) on both server.
At the end of my master.cf, I have:
policy unix - n n - - spawn
user=nobody argv=/usr/bin/perl
/usr/local/sbin/postfix-policyd-spf-perl
I couldn't figure out how to whitelist the backup mx on the destitution
server.
Gao
Gao skrev den 2017-11-17 21:34:
So what is the solution here? Should I add the mail.mytestmx.com to
zeta.othermx.com's SPF record and make it trust it? If so are there
any risk?
yes recipient validation on backup mx mta, eq dont accept mails that
cant be delivered
the error is that mx dont add all ips to spf, and or final destination
did forget to whitelist backup mx ip, since this is not a border mx ip
silly and simple
