On 2020-04-03 Tessa Plum wrote: > As an incoming MTA, after Postfix receive messages, which part takes the > duty of saving messages to disk?
The cleanup daemon is writing messages to the incoming queue (i.e. to disk). http://www.postfix.org/OVERVIEW.html > Is this possible that messages were stored into disk by encrypted? AFAIK individual queued messages can't be encrypted, but you can certainly encrypt the volume where the queue is located. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky