I can’t really help with checking the DKIM but I for one appreciate all the work you do behind the scenes to keep this project running. I know there are times you are sorely tested by things that happen and it makes you question all the time and effort you put in but I and countless silent others appreciate it.
Thanks as always Jason Sent from my iPhone > On 12 Nov 2021, at 19:34, Dirk Hohndel via subsurface > <[email protected]> wrote: > > > Yeah, great subject, I know > > So I was wondering why I was seeing more and more bounces and delayed > deliveries or completely failed deliveries for emails from the cloud servers. > > Turns out that some asshole has started to spam our mailing list subscribe > feature and has managed to send out more than ten thousand unsolicited > subscribe requests to random emails in the past two weeks. And as a result > the mail gateway server that I use has started to get negative reputation and > was being either rejected or throttled by the large email providers > (yahoo/AOL, outlook.com/hotmail, iCloud.com/me.com, etc). Gmail continued to > take the emails, but appears to have gotten even more aggressive to disappear > them after delivery. > > First thing I did was blacklist the top 20 IP addresses used in this spam > attempt. > Then I enabled the subscription spam protections in mailman (why aren't those > enabled by default in mailman2?). > Then I cleared out the more than six hundred pending subscription > confirmation emails that filled the mail queue on my gateway server. > And I finally broke down and implemented DKIM on the server (as Linus and I > speculated that that might help to not be "disappeared" by gmail). > > So hopefully we'll see fewer emails get delayed or rejected or marked as spam. > And hopefully we'll get fewer victims sent unsolicited subscription > confirmations... > > I hate people. I mean, seriously. What the heck is wrong with people who do > shit like this??? > > > Anyway, so this is what I did with my spare time the last couple of days - I > hope you were doing things that are more fun. Like diving. Or writing code > for Subsurface. > > Those of you with mail admin experience... > - do the DKIM headers look right to you? > - any other measures I should take to protect mailman? > > Cheers > > /D > _______________________________________________ > subsurface mailing list > [email protected] > http://lists.subsurface-divelog.org/cgi-bin/mailman/listinfo/subsurface _______________________________________________ subsurface mailing list [email protected] http://lists.subsurface-divelog.org/cgi-bin/mailman/listinfo/subsurface
