RE: Using ISP's smtp

  • From: "Mark Meelhuysen" <mark@xxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 11 Aug 2005 16:25:13 +0200

I already did. 2 times, but never got a reaction back... thats why I contacted 
the ISP and they told me to use their smtp... So I thought..if I do that, my 
problem is most likely also solved... isnt it??


Van: Mark Fugatt [mailto:markfu@xxxxxxxxxxxxx]
Verzonden: do 11-8-2005 16:16
Aan: [ExchangeList]
Onderwerp: [exchangelist] RE: Using ISP's smtp

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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MSN IM: markfu@xxxxxxxxxxxxxxxxx
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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 

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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