Ilya Martynov > Mail-CheckUser-1.21 > cufilter

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cufilter - Filter emails through Mail::CheckUser

SYNOPSIS ^

Add the following lines to your ~/.procmailrc:

  # Filter mail through Mail::CheckUser
  :0f
  | /usr/bin/cufilter

DESCRIPTION ^

When email messages are filtered through this program using the procmail settings as outlined in the SYNOPSYS, the email address in the "From:" header is passed through Mail::CheckUser to ensure validity. If there is a problem with the email address, the "Subject:" header is modified to show which email address failed along with the failure reason. No messages are lost, but it provides an easy way for the mail client to organize, sort, or filter based on the subject tweaks.

EXAMPLES ^

Lets say a spammer sends a message with the following headers:

  From: god@heaven.org
  To: you@host.com
  Subject: Happy Pill

Then the new headers might change to the following:

  From: god@heaven.org
  To: you@host.com
  Subject: [CU!god@heaven.org!DNS failure: SERVFAIL] Happy Pill

This makes it easy to filter for mail clients.

INSTALL ^

This file can be installed into /usr/bin/cufilter and is intended to be utilized through the procmail functionality by adding the following lines to your ~/.procmailrc configuration.

  # Filter mail through Mail::CheckUser
  :0f
  | /usr/bin/cufilter

AUTHORS ^

Rob Brown bbb@cpan.org

COPYRIGHT ^

Copyright (c) 2003 Rob Brown bbb@cpan.org. All rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

$Id: cufilter,v 1.3 2003/09/18 15:36:26 hookbot Exp $

SEE ALSO ^

Mail::CheckUser(3), procmail(1).

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