[afnog] e-mail not sending and recieving mails

[Fabian]

Pls. show out the log capture......

>From there we can sense what exactly is troubling.

Another point to consider ....has it ever sent/received emails before..?!! 


Arbogast.I.Fabian,
Senior Network Engineer,
University Computing Centre,
P.O Box 35062,
Dar Es Salaam.
Phone:+255-22-241-0641
Fax:    +255-22-241-0690
Cell:    +255-78-447-8387
-----Original Message-----
From: afnog-bounces at afnog.org [mailto:afnog-bounces at afnog.org] On Behalf Of
Phil Regnauld
Sent: Monday, August 13, 2007 2:06 PM
To: ibraheem aminu
Cc: afnog at afnog.org
Subject: Re: [afnog] e-mail not sending and recieving mails

ibraheem aminu (ibmikaeel) writes:
> Hi all,
> Our e-mail server is running Postfix as the MTA. When the service is
started, it starts without any problem/error.
> When we tried sending mails locally, it sent the mails without any
problem. But when trying to send mails outside it refuses neither can it
recieved mails. 
> We checked the log status of the mail server and it appears their is no
any error message.
> 
> Can anyone pls bail us out

	You might have a firewall / filtering / routing issue.  Is this
	a publicly reachable server ?  What's the IP ?  Can you telnet to
	port 25 from it from outside ?  Can you telnet to a server on the
	Internet on port 25 from inside ?  Does DNS work ?  Has this setup
	worked before ?

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