RE: Using ISP's smtp

  • From: "Mark Fugatt" <markfu@xxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 11 Aug 2005 15:16:19 +0100

You your ip range is blocked by, you need to contact them.
Mark Fugatt
Dedicated Supportability Engineer (Exchange)
Microsoft Services Organisation
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From: Mark Meelhuysen [mailto:mark@xxxxxxxxxxxx] 
Sent: 11 August 2005 15:05
To: [ExchangeList]
Subject: Using ISP's smtp


Maybe it is a really stupid question, but I always worked with servers
of customers that always used their own smtp to send email. Now I want
to configure a server to use it's ISP's smtp because of the following
error they received:

www.*****.com #4.0.0 smtp;451 blocked. Your /24 netblock has
more than 9 listings at Use your ISP's SMTP server to
send us mail or ask abuse@xxxxxxxxxxx for removal.

Can somebody tell me in short where I can find this with in exchange?

Apparantly they got an ipadress that used to be infected in the past. I
am sure it is not caused by them to be listed in that list since they
have a very secure network. And when I contacted the ISP to get them
delisted they told me to use their smtp...

They are running Windows server 2003 with Exchange 2003 SP1.

Thnx in advance..


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