Qmail FreeBSD toaster

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FreeBSD Mail Toaster AntiSpam
Author: Matt Simerson.
Last update: 06.02.2003

[ Install | Configure | FAQ | Filter | ChangeLog | Mailing List | List Archives ]

Free support is NOT provided by the author. Support by the author is provided on a fee basis only.

Contributions: Express ideas on the mailing list. If you are anxious to express your gratitude, feel free to purchase something from my wish list.

Q: How Do I implement mail filtering on my toaster?

A: That's a complex multi-part answer, because there's many ways to do so. I will merely present a few of the most popular methods. These methods assume you have already processed mail using SpamAssassin or some similar package that tags the email (via a X-Spam-Status header) as spam, viral, or otherwise evil. If you haven't already, download the toaster_setup.pl script and run "toaster_setup -s filter". Then read the section down further regarding QmailScanner.

Single user(s):

Using Procmail

Using Maildrop

Entire server:

Using Procmail

Using Maildrop

Q: How do I add mail filtering for a user using Procmail?

A: First, download the toaster_setup.pl script and run "toaster_setup -s filter".

cd ~vpopmail/domains/example.net/user
fetch -o procmailrc http://matt.simerson.net/computing/mail/toaster/etc/procmailrc
fetch -o .qmail http://matt.simerson.net/computing/mail/toaster/etc/procmail-qmail
chown vpopmail:vchkpw procmailrc .qmail

Edit the procmailrc file to taste.

Q: How do I add mail filtering for a user using maildrop?

A: First, download the toaster_setup.pl script and run "toaster_setup -s filter".

cd ~vpopmail/domains/example.net/user
fetch -o mailfilter http://matt.simerson.net/computing/mail/toaster/etc/mailfilter-user
fetch -o .qmail http://matt.simerson.net/computing/mail/toaster/etc/maildrop-qmail
chown vpopmail:vchkpw mailfilter .qmail; chmod 600 mailfilter

Optional: Edit the mailfilter to taste.

Q: How do I add mail filtering for an entire site using procmail?

A: First, download the toaster_setup.pl script and run "toaster_setup -s filter".

Not Complete!
Optional: Edit the procmailrc file to taste.

Q: How do I add mail filtering for an entire site using maildrop?

A: First, download the toaster_setup.pl script and run "toaster_setup -s filter".

Upgrade qmailadmin to 1.0.21, enable the spam sections (via the toaster_setup.pl script) and click the little checkbox for users that want spam filtering.

Optional: Write a script that adds a .qmail file to the virtual user home directory of every user on your system. An example: ~vpopmail/domains/cadillac.net/matt/.qmail contains "| /usr/local/bin/maildrop /usr/local/etc/mail/mailfilter". I personally believe you should require users to log into qmailadmin and enable it themselves.

Optional: Edit /usr/local/etc/mail/mailfilter to taste.

Q: How does QmailScanner decide what emails to process?

A: Based on the QMAILQUEUE environment variable. You must set this in some fashion, the most forward of which is to edit /service/smtp/run and add these two lines:

QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue.pl"
export QMAILQUEUE

Don't forget to restart qmail-smtpd after editing that file. (svc -t /service/smtp)

You can override that for specific IP's by editing ~vpopmail/etc/tcp.smtp and adding ',QMAILQUEUE="/var/qmail/bin/qmail-queue"' to the IP(s) that you want to bypass qmail-scanner.


© Matt Simerson 1999-2004 - Email suggestions or updates.