From: Daniel Berger <djberg96@...>
Date: 2009-01-27T12:29:53+09:00
Subject: Re: net-smtp timeout error

Thibault wrote:
> Hello,
> 
> On Mon, 26 Jan 2009 11:25:14 -0500, Daniel Berger wrote:
>> I've got two RHEL3 boxes, alpha and beta. On the alpha box, the
>> following script works fine. On the beta box I get a timeout error
>> with the same script. What's happening?
> 
>   I think you did a check without your script like :
> 
> nc mailhost.foo.com 25
> telnet mailhost.foo.com 25
> 
>   If not I suggest you do so in order to check if your problem really
> comes from your script, or from a firewall, routing issue…
> 
>> I did validate that the /etc/resolv.conf and /etc/protocols files were
>> the same on both boxes.
> 
>   Maybe you could also check with tcpdump to see if packets are
> sent/received as attended.
> 
>> This some sort of sendmail config issue? If so, any ideas what it
>> might be?
> 
>   I don't think so, since you are using SMTP you're bypassing your local
> MTA.

It turns out there was a bad, hard coded mailhost value in the 
/etc/hosts file on the beta box. Odd.

Anyway, thanks for the reply and the suggestions.

Regards,

Dan