RE: comparing sender domain against recipient domain

2023-05-13 Thread John Hardin
On Thu, 11 May 2023, Marc wrote: I was wondering if spamassassin is applying some sort of algorithm to comparing sender domain against recipient domain to detect a phishing attempt? There is a suite of meta rules and subrules with names containing TO_EQ_FROM in the default rule channel. Consul

Re: comparing sender domain against recipient domain

2023-05-13 Thread John Hardin
On Sat, 13 May 2023, Matus UHLAR - fantomas wrote: But I was more interested if SA already has something like that? It does not. On Fri, 12 May 2023, Loren Wilton wrote: Weren't there a whole set of "FUZZY" rules once? On 12.05.23 20:01, John Hardin wrote: There still are. however

Re: comparing sender domain against recipient domain

2023-05-13 Thread Paul Stead
A while back I created a plugin for checking Levenshtein distance on From and To domains, this might answer the problem? An example configuration might look like this - This would look just for From domains with a distance equal to 1 from alexander.com ---8<--- ifplugin Mail::SpamAssassin::Plugi

Re: comparing sender domain against recipient domain

2023-05-13 Thread Matus UHLAR - fantomas
But I was more interested if SA already has something like that? It does not. On Fri, 12 May 2023, Loren Wilton wrote: Weren't there a whole set of "FUZZY" rules once? On 12.05.23 20:01, John Hardin wrote: There still are. however these rules only search for words like viagra, unubscri

RE: comparing sender domain against recipient domain

2023-05-13 Thread Marc
> > On Fri, May 12, 2023 at 05:32:30PM +0200, Reindl Harald wrote: > > > On Fri, May 12, 2023 at 09:49:40AM -0500, Dave Funk wrote: > > > > On Fri, 12 May 2023, Matija Nalis wrote: > > > > > That is because those domains are not EQUAL? Od did you wanted a > > > > > rule that checks only on SIMILAR