https://issues.apache.org/SpamAssassin/show_bug.cgi?id=5898

           Summary: Blacklist_to triggers for valid names followed by n or
                    nn
           Product: Spamassassin
           Version: 3.2.4
          Platform: All
               URL: http://www.castergrp.com
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Rules
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]
                CC: [EMAIL PROTECTED]


The blacklist_to is a powerful feature that I am using to block spam that is
sent to fake addresses at my domain.  The spambots sometimes mangle the to
names of legitimate users on my system, and consistently attempt to send spam
to them using the mangled name.  I scan for the mangled names and add them to
the block_to list.

One of the manglings it to add an "n" or "nn" to the end of the names.  When I
add the mangled name, for example [EMAIL PROTECTED] to the block_to list, it 
blocks
mail to the legitimate user account [EMAIL PROTECTED] and
[EMAIL PROTECTED]  The Spamassassin filter server operate for several
domains on our network.

Thank you for a great service that you provide.

Greg Brown
Network Administrator
Caster Family Enterprises
San Diego, CA.


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