Jaroslaw Rafa <r...@rafa.eu.org> writes:
> Dnia 27.02.2020 o godz. 07:02:10 Wietse Venema pisze:
>> > firewall for me. Additionally, what I didn't mention in my original post,
>> > it was eating up my resources a bit, and there was a noticeable server
>> > slowdown.
>>
>> In what respect? File system (logging), networking, memory, ...?
>> Is this systemd overhead? I tried to make Postfix "not receiving
>> email" as inexpensive as possible. I further reduced that cost by
>> adding postscreen.
>
> I did not investigate it very much. Definitely it was not a CPU issue, might
> be networking.
Better investigate before blaming Postfix! We are using Postfix very
happily, without firewalling these, and without slowdown, on a very busy
set of machines. Postscreen has helped tremendously in this respect.
--
micah
