12 messages in net.sourceforge.lists.courier-maildropRe: [maildropl] bouncing spam with ma...
FromSent OnAttachments
Generic PlayerOct 1, 2003 10:14 am 
Michael T. BabcockOct 1, 2003 10:30 am 
Erik BourgetOct 1, 2003 10:37 am 
Petri RiihikallioOct 1, 2003 10:46 am 
Rolan YangOct 1, 2003 11:18 am 
Júlio Espada OlivaresOct 1, 2003 11:46 am 
Generic PlayerOct 1, 2003 2:55 pm 
Eric SOct 1, 2003 4:16 pm 
Alain NAKACHEOct 2, 2003 1:14 am 
Chris BreuOct 2, 2003 6:46 am 
Eric SOct 2, 2003 9:31 am 
Michael T. BabcockOct 6, 2003 5:44 am 
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Subject:Re: [maildropl] bouncing spam with maildropActions...
From:Alain NAKACHE (ala@cal.fr)
Date:Oct 2, 2003 1:14:40 am
List:net.sourceforge.lists.courier-maildrop

At 01:16 02/10/03, Eric S wrote:

Now, *IF* something like DHVP (dynamic HELO verification protocol) were in place, then you'd know that the machine that sent you the email is at least authorized to send for that domain, then you'd only be a nusiance to people using ISPs whos resources are being abused. Well, hotmail is one of them, they're having problems with spammers using DAV to send email with forged froms through their system. It all comes out as from someone at msn or hotmail, but it can happen.

I don't agree. Some ISP are providing SMTP AUTH extension (RFC 2554) to their customers. Systematically refuse messages with this dynamic HELO (EHLO ?) would cause many problems.