[no subject]

> Just a guess:

> I believe Cbeyond doesn't usually have reverse DNS set up for their 
> IP addresses.  Could it be that some mail servers are refusing the 
> connection because of this?  If so, then your client can probably 
> report the problem to Cbeyond and have them set up reverse DNS for 
> their IP(s).
This is a distinct possibility.  The turkeys at Comcast use to have
this foobar (no reverse DNS).

> --Joe

Bob Toxen
bob at verysecurelinux.com               [Please use for email to me]
<a  rel="nofollow" href="http://www.verysecurelinux.com";>http://www.verysecurelinux.com</a>        [Network&amp;Linux/Unix security consulting]
<a  rel="nofollow" href="http://www.realworldlinuxsecurity.com";>http://www.realworldlinuxsecurity.com</a> [My book:&quot;Real World Linux Security 2/e&quot;]
Quality Linux &amp; UNIX security and SysAdmin &amp; software consulting since 1990.

&quot;Microsoft: Unsafe at any clock speed!&quot;
   -- Bob Toxen 10/03/2002


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