SpamAssassin includes a script named sa-update to update the
spam rules automatically from different channels to catch different
kind of spam. To read more about sa-update, see sa-update.
We guys at OpenProtect have created a channel which contains the recommended rules in the SARE - SpamAssassin Rules Emporium. This way, rules can be updated easily using sa-update, which ships with SA versions above 3.0. SARE rules catches different kinds of spam including adult, spoof, stock tips, fraud spam etc.
SARE provides several rules, some which have versions from 0-4, 0 being the one that catches most spam, while not blocking any ham. Versions 1-4 which are new rules, which don't yet hit lots of spam but blocks too many ham, are not present in this channel. We have included all the 0 rules and other single version rules, and this has been tested on our servers to give the highest spam catching rate, while having low FP(False Positives) and have less memory consumption too.
Follow the steps below to have our channel working on your mail server or any computer with SA > 3.0 installed on it.
Have gnupg installed, if you wish to check the channel files against our signature.
Run the command gpg --keyserver pgp.mit.edu --recv-keys BDE9DC10 to import our public key from the mit keyserver. The output should look like:
gpg: requesting key BDE9DC10 from hkp
gpg: key BDE9DC10: public key "Opencomputing Technologies (Key to sign all files from openprotect.com)
gpg: Total number processed: 1
gpg: imported: 1
Another way to import our public key is get the gpg file
and import it manually using sa-update and gpg. The commands are
Now, import by running the command
sa-update --import pub.gpg which should return without any error or output messages.
This isn't the preferred way, as the gpg file could be corrupted or tampered with, if our server is hacked.
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