Guillermo Villasana Cardoza wrote:
My users are telling me that they are trying to download this from a machine that has no antivirus or antispam or firewall install and still they get this error.


-----Original message-----
From: Guillermo Villasana Cardoza [EMAIL PROTECTED]
Date: Tue, 25 Mar 2008 13:29:34 -0400
To: [email protected]
Subject: [qmailtoaster] Error 541

Hi guys, I have some users with this error message:
541 Internet Security Systems' Proventia(TM) intrusion prevention appliance blocked forwarding of message


This will be a box that all the mail is filtered through, or is in between the mail server and the Internet connection. If you're running the mail server then it may be at the customer's end, acting as a firewall/router.
I didn't read any info on this myself, but here's their datasheet:
http://documents.iss.net/literature/proventia/ProventiaGSeries_Datasheet.pdf


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