or you could use auth lua to implement this first and see if it makes any sense?

---Aki TuomiDovecot oy -------- Original message --------From: Tom Sommer mail@tomsommer.dk Date: 23/08/2018 17:16 (GMT+02:00) To: Dovecot list dovecot@dovecot.org Subject: allow_nets based on RBL This was brought up in 2014, and left without conclusion, so I thought it would be time to bump it :)

I would love a way to do allow_nets based on an RBL check, could this be added to the feature-list?

https://wiki2.dovecot.org/PasswordDatabase/ExtraFields/AllowNets

Thanks

Tom