How do I use SURBLs with SpamAssassin?
SpamAssassin 3 and later versions suport SURBLs by default. See the next section for more information about enabing network tests which include SURBL checks. If you’re using a version of SpamAssassin older than 3.0, then you should upgrade to the latest version to get some security patches and better performance. For SpamAssassin 2.63 and 2.64, SpamCopURI is a program that can be used with SURBLs. Important Note: Matt Kettler says: DO NOT run SA 2.63 on a production server. Upgrade to 2.64 or 3.x because 2.63 has a MIME parsing bug that can be used to DoS your server. For SpamAssassin 3.X, there is a suite of programs contained in the plugin URIDNSBL including some that can be used with SURBLs and some that can’t: • urirhsbl is a program that checks message body URIs against individual SURBLs, i.e., it compares (mostly) domain names found in message bodies against (mostly) domain names in one SURBL per rule. • urirhssub is a program that checks message body URIs against the combined SU