hello
I know that a sender host should have correct dns records for either A
or PTR.
for HELO hostname, does it require the same settings (both A and PTR are
set, and matching).
Thank you.
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Postfix-users mailing list -- postfix-users@postfix.org
To
Rob Hoo via Postfix-users:
> hello
>
> I know that a sender host should have correct dns records for either A
> or PTR.
>
> for HELO hostname, does it require the same settings (both A and PTR are
> set, and matching).
I recommend that you specify the name of the sending IP address.
Setting smtp
R. Diez:
> > Postfix is not making it too hard. There is no deliberate effort
> > to sabotage users. Postfix just does not have support built-in to
> > make this particular thing "easy".
> > [...]
>
> The trouble is, the milter the documentation refers to only checks
> and eventually fails, which
Wietse Venema via Postfix-users wrote in
<4cssr21jhmzj...@spike.porcupine.org>:
|Viktor Dukhovni via Postfix-users:
|> On Thu, Sep 18, 2025 at 11:16:43PM +0200, Steffen Nurpmeso via Postfix-u\
|> sers wrote:
|>
|>> p$ telnet localhost 25
|>> ...
|>> 220 kent.sdaoden.eu ESMTP Postfix
