Please read this: https://mail.jabber.org/pipermail/operators/2016-November/002896.html
I'd like to have server-side visual or Q/A CAPTCHA on the server side. On 16.01.2017 19:22, Goffi wrote: > Le lundi 16 janvier 2017, 17:03:51 CET W. Martin Borgert a écrit : > > I was not thinking about greylisting (because the delay can be annoying), but > about a challenge, either simple captcha (but would be possible to defeat for > advanced spam software) or a computational challenge (i.e. the sender has to > do some resource costly computational challenge, but the result is easy to > check). In the captcha case the good point is that we can use a text fallback. > > Greylisting could be an option too, not sure how efficient it would be in > XMPP > case, and if we could implement it without breaking backward compatibility. > _______________________________________________ > Standards mailing list > Info: https://mail.jabber.org/mailman/listinfo/standards > Unsubscribe: [email protected] > _______________________________________________ > _______________________________________________ Standards mailing list Info: https://mail.jabber.org/mailman/listinfo/standards Unsubscribe: [email protected] _______________________________________________
