GMail filtering isn't very powerful. Although I run my own mail server, there are other good providers out there which allow you to use sieve based filtering.

GMail filtering isn't very powerful. Although I run my own mail server, there are other good providers out there which allow you to use sieve based filtering. Fastmail for example: https://www.fastmail.com/help/technical/sieve.html https://www.fastmail.com/help/technical/sieve.html