Would limiting subscription requests to one per day help. I'm familiar with the Mailman code, having modified it for use at MIT, and can code the necessary changes. I suspect only one file would need to be changed.
-Jeff On Wed, Jun 13, 2018 at 6:16 PM Gary R. Schmidt <grschm...@acm.org> wrote: > On 13/06/2018 21:42, Gary R. Schmidt wrote: > > On 13/06/2018 21:22, Richard Hipp wrote: > >> Unfortunately, I'm going to need to shut down this mailing list due to > >> robot harassment. I am working to come up with a fix or an > >> alternative now. Your suggestions are welcomed. > >> > >> This mailing list has operated for many years using GNU MailMan. > >> Unfortunately, that software is not able to cope with modern robot > >> spammers, even with the latest updates. And the source code for > >> MailMan is sufficiently opaque that I am unable to work on it. > >> > >> The most recent problem is that robots are visiting the subscription > >> page and entering innocent user's email addresses and names. This > >> causes a confirmation email to be sent to that user. If it were just > >> single confirmation email that the user could ignore, that would be > >> fine. But apparently MailMan sends one email for each subscription > >> request. The robots have figured this out and are putting in hundreds > >> of subscription requests for the same individual, apparently to harass > >> them. > >> > >> I have already suspended new subscriptions. Existing subscribers will > >> be able to continue using this list until I come up with a replacement > >> (or a fix to the current problem) but no new subscribers will be > >> accepted. > >> > > This is an increasing problem, and has been discussed on the Mailman > > mailing list recently, you should join them and see what mitigation > > strategies are available. > > > One is here: https://github.com/noabospam/abospam > > Cheers, > Gary B-) > > > _______________________________________________ > sqlite-users mailing list > firstname.lastname@example.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list email@example.com http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users