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Versatile mail filter with firewall like configuration.

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README.md

MOPHER

Table of contents

  • Preamble
  • Installation
  • Bug reports
  • License

Preamble

I wrote most of mopher between 2009 and 2010. After that it ran quite stable over a year without any code changes. Because I never found the time to write usable documentation I didn't release it publicly.

Design goals:

  • Lightweight and modular design
  • Firewall like configuration
  • Fully support libmilter features (early 2010)
  • Flexible greylisting (time, retry count)
  • Filter spam efficiently

Features:

  • Greylisting
  • Tarpitting
  • Spamassassin
  • RBL
  • SPF (libspf2)
  • BerkelyDB
  • MySQL

Compiles on:

  • Linux
  • NetBSD
  • FreeBSD
  • Maybe more

Questions & Answers

There's a mopher google group.

FAQ

What does mopher mean?

  milter + gopher = mopher

Other cool mail filter names have already been taken. At least it's unique.

Why should I use it?

To get rid of spam in a very flexible, firewally and lightweight way.

I opperate this huge mail infrastucture. Is mopher scalable?

Highly. It has a built-in memory database similar to milter-greylists and supports BerkeleyDB and MySQL tables (I'll write a PostgreSQL driver soon).

Why should I join mopher development?

Because it's really easy to create new custom modules for mopher. Don't let the missing documentation scare you! Maybe have a look at src/modules/string.c

Installation

# ./configure
# make
# make install

Configuration

Configuration examples can be found in the config folder. For the gory details on access control see src/acl_yacc.y

Bug reports

Please send bug reports to: mopher@badzong.com

Contributors

Petar Bogdanovic

License (MIT)

Copyright (c) 2011 Manuel Badzong

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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