If you run
Evolution on Linux, we can help you stop spam.
How it Works
e-mail filters only pass e-mail through if the sender is on a
"whitelist". E-mail from anyone not on the whitelist
a holding area. The sender is then challenged to prove he's a
real person, rather than a spam bot. If the sender succeeds
answering the challenge, he is permanently added to the whitelist, and
his original and all further e-mail is delivered without delay.
is a simple free challenge-response program that
integrates into your
Evolution e-mail client through e-mail filters.
are several challenge-response filter systems available. Some are
e-mail client independent. However, if you run Evolution, other
challenge-response e-mail filters tend to sweep away your
non-whitelisted e-mail before you ever have a chance to review it.
With Evolution, all non-whitelisted e-mail goes into your Holding
folder, which you can scan through at your convenience. Further,
EvoChallenge adds features such as automatic white-listing of anyone
you send e-mail to. Also, your whitelist is a simple text file in
your home directory, which is simple to edit and maintain.
Download the latest release at SourceForge. Un-tar and un-gzip the tar.gz file. Go into the evochallenge directory and execute:
edit your ~/.whitelist file and set your SMTP server options to be the
same as what you use in Evolution. It's
as simple as that! If you have any trouble, please e-mail
email@example.com right away. More help can be found on the
In particular, check out Whitelist Editing for instructions on
importing your contacts into your whitelist.
have written challenge/response e-mail filters similar to Evochallenge.
SFAIK, this is the only one that works as a filter in Evolution on
Linux. Thanks goes to D. Sleator, since I was able to learn much from
his "Blowback" perl scripts while implementing Evochallenge.
Thanks also goes to Michal Ludvig for writing his awesome
smtp-client.pl script (which I release as evo-smtp-client.pl).
Finally, thanks goes to Ray Jones for helping debug all this!