[afnog] postfix problem

bwanyama@linuxsolutions.co.ug bwanyama at linuxsolutions.co.ug
Sat Feb 11 01:15:30 EAT 2006


Hi,

Your Postfix - main.cf file looks OK.

Looks like you have an open relay, due to a hole in the network that
allows a spammer to get in an masquerade as a local machine, thus enjoying
relay access.

1. Please give us the output of the mailq command plus
   tail -200 /var/log/mail (or /var/log/maillog)

2. If it's not too much trouble, an ASCII sketch of your network setup
   (no public IPs please!)

Kind regards,

Bernard Wanyama
Linux Solutions Uganda
Cell: +256 71 2193979

> Dear all,
>
> All observations noted.
>
> 1.I used ping to measure my return time which under
> normal condition should not exceed 1000 ms but if i
> put the mail server on the network it will get up to
> 4000 to 5000 ms.
>
> 2. The content of mailq contains Mailer-daemons mails
> showing the mails were not delivered.
>
> 3. I also attached my main.cf file for you.
>
>
> Yahaya Mohammed Wara B.Sc, CCNA, CCAI
> Usmanu Danfodiyo University
> P.M.B 2346, Sokoto, Nigeria
> Mobile: 234-8039687494
>
> 'If current can be present in every part of circuit I see no reason Why
> Intelligency can not be passed through Computers'
>
>
>
>
>
>
>
>
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