I have created 2 rules because almost everything from zcsend is Spam.
Rules are: # zcsend Spam header CGK_ZCSEND_1 All =~ /\@zcsend\.net/ score CGK_ZCSEND_1 2.5 # zcsend Spam header CGK_ZCSEND_2 From =~ /\@zcsend\.net/ score CGK_ZCSEND_2 2.5 and extract from maillog is: /root/weeklymail/Frimaillog:Oct 8 11:24:18 plesk3 /var/qmail/bin/relaylock[11463]: /var/qmail/bin/relaylock: mail from 74.201.84.45:60684 (sender45.zcsend.net) /root/weeklymail/Frimaillog:Oct 8 11:24:29 plesk3 qmail-scanner-queue.pl: qmail-scanner[11470]: Clear:RC:0(74.201.84.45):SA:0(2.2/4.0): 9.449095 69145 bounce_30599158+a.19c2d631a56d610_11699e4c327d324_v21 <mailto:bounce_30599158+a.19c2d631a56d610_11699e4c327d324_...@zcsend.net> @zcsend.net p...@domain.co.uk <mailto:p...@domain.co.uk> Business_Finance_available_quickly_for_HMRC_Debt <zcb.11287eca46c335.19c2d631a56d610.1444299856...@zcsend.net <mailto:zcb.11287eca46c335.19c2d631a56d610.1444299856...@zcsend.net> > orig-plesk3.hostname.co.uk144429985979711470:69145 1444299859.11474-0.plesk3. hostname.co.uk:63279 Can a regex expert help me identify why that did not trigger one of the CGK_ZCSEND_x rules? Many thanks in advance. Kind regards, Christoph