RE: Sendmail configuration problem? Some servers refusing to receive mail from me...

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My MTA does announce itself as a domain name. All the forward and
reverse lookups are set up correctly.

Steve Philips suggestion seems the most plausible at the moment. So I
will look into that when I return to work on Monday.

If you know of how to stop my sendmail MTA from adding a period to the
end of its hostname, I would appreciate the info, as this is what Steve
suggests is the problem.

Thanks.

-----Original Message-----
From: redhat-list-admin@xxxxxxxxxx [mailto:redhat-list-admin@xxxxxxxxxx]
On Behalf Of Jeff Lasman
Sent: Sunday, January 04, 2004 9:28 AM
To: redhat-list@xxxxxxxxxx
Subject: Re: Sendmail configuration problem? Some servers refusing to
receive mail from me...

On Saturday 03 January 2004 03:33 pm, MKlinke wrote:

> -----> ehlo <your_ip_addr>
> [<your_ip_addr>], pleased to meet you

This in and of itself, could cause a problem.  Some people are blocking 
(as a perhaps ineffective anti-spam measure) email from domains that 
announce themselves with an IP rather than a domain name.

Perhaps the safest way to test is to try it with whatever your server 
uses when it does an ehlo.

Perhaps do a lookup on the IP# you're trying to connect from, and then 
use the name it shows you as the ehlo argument.

Jeff
-- 
Jeff Lasman, nobaloney.net, P. O. Box 52672, Riverside, CA  92517 US
Professional Internet Services & Support / Consulting / Colocation
Our blists address used on lists is for list email only
Phone +1 909 324-9706, or see: "http://www.nobaloney.net/contactus.html";


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