Nick: > On 2020-08-30 21:30 BST, Wietse Venema wrote: > > Nick: > > > I would like to have a postconf(5) parameter such as > > > "local_via_submission = yes" which changes that path to something like > > > > > > sendmail(1) -> postdrop(1) -> maildrop -> pickup(8) -> smtpd(8) -> > > > cleanup(8) -> incoming > > > > And HOW THE HELL is that supposed to work when Postfix is not up > > (not yet started, down for maintenance, or whatever). > > I'm sensing a slight reluctance but will plough on... > > In that case pickup is also not running, so the mail stays in maildrop. > Isn't that what happens now?
An SMTP client in the pickup daemon? How shall the pickup daemon send a non-delivery notification to the sender? Wietse