Re: [iMS] Reverse DNS Lookup

Fri, 27 Dec 2002 10:56:33 -0800

Is it a security risk to give out the NetBIOS name and Win2k Domain name in the header?
 
Regards,
David........(-:
 
 
----- Original Message -----
Sent: Friday, December 27, 2002 10:49 AM
Subject: Re: [iMS] Reverse DNS Lookup

In this example, the yahoo mail server is doing the reverse lookup.  EHLO xxxxxx is part of the SMTP protocol that the yahoo server is including in the header.
 
Basically, you can't prevent another mail server from doing a reverse DNS lookup on your server and including that information in the email headers.
 
Regards,
 
Howie
----- Original Message -----
Sent: Friday, December 27, 2002 4:41 PM
Subject: Re: [iMS] Reverse DNS Lookup

We are only using the POST mod. right now. The header is as follows:

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