Ever since I deployed this on my server https://l1cafe.blog/2018/06/14/defeat-spammers, I have banned quite a few incoming addresses... And it's been barely a year.
Running your own mail server, with your own domain, is awesome because you can do stuff like this.
Fast, secure and up-to-date instance. privacytools.io provides knowledge and tools to protect your privacy against global mass surveillance.
Matrix Chat: chat.privacytools.io
Support us on Patreon and Liberapay!