Server

Settings

Defaults for the whole instance. Your own username and password are under Account.

01

DMARC aggregate reports

authorized

The default rua= for every outbound domain; a domain may override it. An address on mail.example.org is received and parsed by SelfPost itself.

Report authorization

publishedNeeded when rua= points at another domain
02

Log retention

The main driver of /data growth. Does not affect mail.log rotation (fourteen daily files).

03

Sending rate limits

Read-only
Level 1 · per client IP
600 / h
Set in .env; restart to change. Nothing below may exceed it.
Level 2 · domain, application
Set on each domain and application.