Our quick and dirty approach is to parse output of mailq, delete mail and construct a bounce message, but that is far away from a clean solution ;/ No other way available?
Am So., 9. Sep. 2018 um 19:27 Uhr schrieb Viktor Dukhovni < postfix-us...@dukhovni.org>: > > > > On Sep 9, 2018, at 1:01 PM, Stefan Bauer <cubew...@googlemail.com> > wrote: > > > > any way to inform my users about TLS fails via bounce without waiting > queue lifetime? > > http://www.postfix.org/postconf.5.html#delay_warning_time > > In corporate systems I tend to split the mail plant into separate inbound > and outbound systems, and only enable delay warnings on the outbound side. > > -- > Viktor. > >