On Thu, 2022-08-18 at 10:33 +0100, Pete Biggs wrote: > On Thu, 2022-08-18 at 04:10 +0200, Ángel wrote: > > On 2022-08-16 at 23:24 +0100, Patrick O'Callaghan wrote: > > > Spam filtering is under the control of the receiver. It's trivial > > > to > > > tell Gmail that a message is not spam, and it will learn that for > > > future reference. You might also look at *why* your mail is being > > > classified as spam. Could it be that some people have marked it > > > as > > > such? > > > > Actually, I would consider this a weak point of gmail. As a > > receiver, > > you don't know why a message is considered spam (compare that with > > a > > system like SpamAssassin, where you can view the scoring of the > > different modules), and even Google itself would often be unable to > > determine why the ML engine considered it bad. > > This is getting way of topic, but ... > > My work uses Microsoft O365. We have similar issues with bad spam > filtering at times, including it binning internal mailing list mails. > The mail admins have tried to get some insight into the spam > classification process so that we can get some idea how to avoid it, > but MS won't talk about it because it's proprietary confidential > information. At first glance that's a "typical big brother" attitude, > but they say that if the spam classification algorithms are known, > spammers will just craft emails to get around them, which I can > understand. I wonder if Gmail has the same sort of thinking on it. > > BTW, we think the reason the mailing list mails were being spam > binned > was because we have a very very large userbase (big university, lots > of > staff and students), with some compulsory lists for communication. > All > it takes is for people to blindly click on "I don't want to see this > sort of mail any more" thinking it gets them off the list, whereas it > just increases the spam score and eventually - actually quickly - > gets > our mailing list servers globally sunk.
We once had our entire university blacklisted because someone (a student I think) had spammed some list somewhere. This was years ago (before we started using G Suite) but it took a deal of effort to have it corrected. There is no magic bullet for dealing with spam. poc _______________________________________________ evolution-list mailing list evolution-list@gnome.org To change your list options or unsubscribe, visit ... https://mail.gnome.org/mailman/listinfo/evolution-list
