Messages in this thread | | | Date | Wed, 24 Sep 2003 12:35:05 -0400 | From | Wakko Warner <> | Subject | Re: Horiffic SPAM |
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> if you want to block mail you need to have your MTA return a 500 series > error code when it gets a connection from that IP address, otherwise the > sending MTA will just retry later, resulting in the problem described.
Adendum: 5xx error code for each RCPT command. Otherwise, some MTAs will treat 5xx as 4xx.
I've been hit enough with this virus that I've blocked everyone except lkml and exim lists (by IP) from this server (my backup will accept however and is on a quicker line)
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