[Exim] OT: Problem sending mail to verizon.net

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Author: I. Forbes
Date:  
To: exim-users
Subject: [Exim] OT: Problem sending mail to verizon.net
Hello All

This is a bit off topic, but perhaps somebody can shed some light on
this problem.

Our customers are complaining they can't send e-mail to addresses of
the format <user>@verizon.net.

It seems their main incoming relay is doing some checking at the
"MAIL FROM:" command and the session times out.

nimbus2:~# telnet relay.verizon.net 25
Trying 206.46.170.12...
Connected to relay.gte.net.
Escape character is '^]'.
220 sc006.verizon.net MailPass SMTP server v1.0.6 - 103003062626JY
ready Tue,
4 Nov 2003 04:16:15 -0600
helo nimbus2.zsd.co.za
250 sc006.verizon.net
mail from:<iforbes@???>
450 Requested mail action not taken-Try later:sc006.verizon.net

It seems the problem occurs when the mail from address is hosted in
South Africa. I have tried a number of them without success,
"hotmail" addresses don't seem to work either, but when I put in an
address hosted in Europe, it works.

Any suggestions, I can't even send e-mail to <postmaster@???>
address? (Maybe someone can forward this to that address)

Thanks

Ian


--
Ian Forbes ZSD
http://www.zsd.co.za
Office: +27 21 683-1388 Fax: +27 21 674-1106
Snail Mail: P.O. Box 46827, Glosderry, 7702, South Africa