From: Isarian on
Sometime between yesterday and today my newly installed postfix server
stopped delivering incoming messages. A <cat /var/log/maillog> doesn't
show the message incoming at all. Is there a different log file that I
should be checking, and what parameters might have caused incoming
mail to not be delivered?

From: ivakras1 on
On 25 ���, 00:34, Isarian <tpari...(a)netwurx.net> wrote:
> Sometime between yesterday and today my newly installed postfix server
> stopped delivering incoming messages. A <cat /var/log/maillog> doesn't
> show the message incoming at all. Is there a different log file that I
> should be checking, and what parameters might have caused incoming
> mail to not be delivered?

First you should tcpdump to sure if any connects to your tcp/25 then
sending a mail to you. It may be a DNS problem?
Then you should check if anybody change firewall(s) rules.
Then `grep -i warning /var/log/maillog` and `grep -i error /var/log/
maillog` to get all warnings and errors.

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