There seems to have been - https://svn.apache.org/viewvc/spamassassin/trunk/rulesrc/sandbox/jhardin/20_misc_testing.cf?r1=1884188&r2=1884215&diff_format=h
Whilst this has my initials, it's actually in John's sandbox - I think this was a rule I submitted on the mailing list many moons ago. The intention of this rule was to match two different addresses, but because I don't know about the other related changes I'll leave for JH to comment/adjust as needed Paul On 10/12/2020, 10:33, "Benoit Branciard" <benoit.branci...@univ-paris1.fr> wrote: Hello, Have there been any changes to the __PDS_FROM_2_EMAILS rule recently on 3.004002 branch ? Since latest update this night, we got significantly more matches of meta rule PDS_FROM_2_EMAILS than previously, and for at least a dozen of them, the rule triggered despite the fact that both addresses (in from text and address) were strictly identical, like this : From: "my.u...@univ-paris1.fr" <my.u...@univ-paris1.fr> Until now I expected this rule to match *only* if from text and address contained *different* addresses... my /var/lib/spamassassin/3.004002/updates_spamassassin_org/72_active.cf contains : header __PDS_FROM_2_EMAILS From =~ /(?:\W|^)([\w+.-]+\@[\w.-]+\.\w\w++)(?:[^\n\w<]{0,80})?<(?!\1)[^\n\s]*\@/i -- Benoit BRANCIARD DSIUN: Direction du Système d'Information et des Usages Numériques SIS: Pôle Infrastructures Université Paris 1 Panthéon-Sorbonne Centre Pierre Mendès France 90 rue de Tolbiac - 75634 Paris cedex 13 - France Tél. +33 1 44 07 89 68 - Bur. A402 Accueil: +33 1 44 07 89 65 - assistance-ds...@univ-paris1.fr http://dsiun.univ-paris1.fr -- Paul Stead Senior Engineer Zen Internet Direct: 01706 902018 Web: zen.co.uk Proud to be a certified B Corporation This message is private and confidential. If you have received this message in error, please notify us and remove it from your system. Zen Internet Limited may monitor email traffic data to manage billing, to handle customer enquiries and for the prevention and detection of fraud. We may also monitor the content of emails sent to and/or from Zen Internet Limited for the purposes of security, staff training and to monitor quality of service. Zen Internet Limited is registered in England and Wales, Sandbrook Park, Sandbrook Way, Rochdale, OL11 1RY Company No. 03101568 VAT Reg No. 686 0495 01