Re: [Mimedefang] OT: New Sendmail spam block

[John Buysse]

I am with one of the universities Ben is dealing with.  I was quoting 
RFC 2821, not RFC 821.  We are not rejecting messages with an invalid 
HELO command based on RFC 1123, as we are not verifying the the info 
provided.  We are rejecting messages with an invalid HELO command based 
on RFC 2821.  If a remote server uses one of our IP's in the HELO 
command, our servers will reject the message.  Our servers will also 
reject the message if the value given in the HELO command is an 
unqualified hostname or is not an address literal, as stated in sections 
4.1.1.1 and 4.1.3 of RFC 2821.  We are only ensuring the value given in 
the HELO command is syntactically correct as stated in RFC 2821.

Thanks,
John Buysse

David F. Skoll wrote:
On Thu, 24 Mar 2005, Ben Kamen wrote:

The person I've been having the problems with is quoting RFC821, but
forgetting he's breaking RFC1123 which is the amendment to 821.

The latest is RFC 2821.
Regards,
David.
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