Demo
Demo

Knowledge base

user verifiedWritten by the Hub

User the process drops to

in the configuration this is a lineuser: mailerq

System account the engine switches to after binding privileged ports.

Values

Values
an existing system user
Default
mailerq · taken from the build
applying
restart required
where it can be set
in the config file · with a startup flag · as an environment variable

In detail

Starting as root is necessary to bind port 25; staying root is not. The engine drops to this account once the sockets are open, which is why /var/log/mailerq and the TLS keys belong to mailerq rather than to root — and why a key written root-only is a key the engine cannot read.