Re: [Exim] Time too long

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Author: Phil Pennock
Date:  
To: Riccardo Baldanzi
CC: exim-users
Subject: Re: [Exim] Time too long
Typing away merrily, Riccardo Baldanzi produced the immortal words:
> When i send a message from 192.168.1.137 (myPC on LAN) to 213.188.254.254
> (Exim SMTP server on WAN) i have to wait 15 second before it starts to send
> my mail.
> I've tried with a telnet on port 25, i have to wait 15 second before it
> respond:


Sounds like a DNS lookup timing out ...

> 220 myhost.mydomain.it ESMTP Exim 3.13 #1 Wed, 05 Jul 2000 14:24:16 +0200
>
> In debug mode i see this:
> When i try to connect:
> Connection request from 192.168.1.137
> and after 15 seconds:
> Process 20541 is handling incoming connection from [192.168.1.137]
> ready for new message


And that looks like it failed to find reverse DNS for 192.168.1.137.

> This problem happens only when i send e-mail from my LAN.


The 213.188.254.254 box hasn't been set up to know how to resolve the
192.168.1.137 address.

Two main options:
Exim specific - read the documentation on the ``host_lookup''
configuration option, and address lists

Talk to your DNS administrators and determine if you want internal DNS
for 192.168.
<flameproofsuit>This is a site policy issue.</flameproofsuit>
(Or, if you do have this, get the mail-server set up correctly)

Hope this helps,
--
"We've got a patent on the conquering of a country through the use of force.
We believe in world peace through extortionate license fees." -Bluemeat