RE: SMTP error messages - what does this one mean

  • From: "simon whale" <simon@xxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 19 Sep 2002 16:02:38 +0100

Dolly, Mark and Joe

Thanks, we found the problem.  Checked out our dns settings by going to
www.dnsreport.com and it told us that our domain does not support
reverse DNS.  For some reason our ISP has turned off reverse DNS.

Many thanks
Simon Whale

-----Original Message-----
From: Dolly Bareqet [mailto:dolly@xxxxxxxxxxxx] 
Sent: 19 September 2002 17:03
To: [ExchangeList]
Subject: [exchangelist] RE: SMTP error messages - what does this one
mean


http://www.MSExchange.org/

Hi,
Go to
http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q284204&ID=KB;EN
-US;Q284204
You will find that this article helps you understand NDRs
Dolly

-----Original Message-----
From: simon whale [mailto:simon@xxxxxxxxxxxxxx] 
Sent: Thursday, September 19, 2002 3:06 PM
To: [ExchangeList]
Subject: [exchangelist] Smtp error messages - what does this one mean

http://www.MSExchange.org/

Hi,

Does anybody know what the following smtp error message means and how do
I fix it.

#5.5.0 smtp;553 sorry, envelope sender must have a valid 
domain name (#5.7.1)


Many thanks
Simon Whale
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