Leonardo Rodrigues:
> I have recently upgraded a server that was running a pretty
> outdated postfix version (2.2.9) to a new 2.8.5.
>
> i'm facing some weird problems with a particular customer which has
> 2 MXs published. The first one (lower priority number) is rejecting our
> emails lots of times (421 You are disconnected for policy reasons). And,
> on the logs, i can see that for some periods of times, postfix only try
> to delivers mail to his backup MX (higher priority number), which is
> most all the time offline.
If Postfix skips an MX host, then it logs a note saying why, so
that people like you don't have to wonder why it skips the server.
You need to show evidence. grep for the PID of the smtp client and show
all records.
Wietse
