* John Fawcett <j...@voipsupport.it>: > The first one is to leave an explicit trace in the log when starttls is > enforced (for example on the submission port) but the client does not > issue STARTTLS.
Have you tried to set reject_plaintext_session and trace its error message in the log? p@rick -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Schleißheimer Straße 26/MG,80333 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer, Wolfgang Stief Aufsichtsratsvorsitzender: Florian Kirstein