From: Magnus Bäck (magnusdsek.lth.se)
Date: Wed Jun 01 2005 - 15:38:34 CDT

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On Wednesday, June 01, 2005 at 22:30 CEST,
     Carlos Canchaya <ccanchayagmail.com> wrote:

> I have my redhat server sending email with no problems (inside and
> outside my network), however I have problems receiving email. But
> this problem happens only when the emails come from servers out of
> my network. The message I got from the sending servers is
>
> connect to carlos.hassle.com[xxx.yyy.zzz.aaa]: Connection timed out
> (port 25)
>
> First I thought it was iptables or tcpwrappers, so I shut them off,
> and I still cannnot receive any email from the "outside". My network
> doesn't have the policy to block any port,

How do you know?

> so I don't really know where the problem can come from. Is it an
> option in postfix to limit the connections from outside my network?

Yes, you can configure Postfix to reject certain clients upon
connection. But that's not what's happening here. You have a
network connectivity issue. Postfix is not even involved.

> If the connections are rejected, are the rejections logged?

Postfix logs rejections, yes.

--
Magnus Bäck
magnusdsek.lth.se

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