|Spam Filtering for Mail Exchangers: How to reject junk mail in incoming SMTP transactions.|
A number of people have provided feedback, corrections, and contributions, as indicated in the Revision History. Thank you!
The following are some of the people and groups that have provided tools and ideas to this document, in no particular order:
A lot of smart people who developed the excellent Exim MTA, including: Philip
<ph10 (at) cus.cam.ac.uk>, the
maintainer; Tom Kistner
duncanthrax.net>, who wrote the Exiscan-ACL patch
for SMTP-time content checks; Andreas Metzler
<ametzler (at) debian.org>, who did a really
good job of building the Exim 4 Debian packages.
Many, many others who contributed ideas, software, and other techniques to counter the spam epidemic.
You, for reading this document and your interest in reclaiming e-mail as a useful communication tool