Hm. It seems that newer versions of Evolution have completely removed support for runtime detection of the underlying spam filtering facility in the plugin, so my simple patch in comment #18 is not sufficient and more work is needed.
See https://bugzilla.gnome.org/show_bug.cgi?id=743109 for more information. ** Bug watch added: GNOME Bug Tracker #743109 https://bugzilla.gnome.org/show_bug.cgi?id=743109 ** Also affects: evolution via https://bugzilla.gnome.org/show_bug.cgi?id=743109 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to evolution in Ubuntu. https://bugs.launchpad.net/bugs/1247366 Title: Evolution is missing bogofilter integration Status in The Evolution Mail & Calendaring Tool: Unknown Status in evolution package in Ubuntu: Confirmed Bug description: Evolution is missing bogofilter integration since Ubuntu 13.10. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: evolution 3.8.4-0ubuntu1 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 Date: Sat Nov 2 05:15:42 2013 ExecutablePath: /usr/bin/evolution InstallationDate: Installed on 2013-10-27 (6 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MarkForUpload: True SourcePackage: evolution UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/evolution/+bug/1247366/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp