default MX and TLS

Set it in the DNS System in your host. I got an additional system for that and it works fine (no issues with MX or even with SPF).

Ah sorry, I didnt see it was in the suggestion area. My bad.

Quote from vege.net

Hi,

to avoid complains from other Mailservers like:

SSL verify error: certificate name

it is maybe better to set the default MX to

@ IN MX 10 {$SERVER_HOSTNAME}.

wich has a valid cert, instead of
@ IN MX 10 mail

because postfix cannot handle SNI.

Or is there a "overwriteproof" solution to change the default MX ?

cheers, Olli

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That change is already planned.