On Sat, 15 Oct 2022 at 23:24, Gerald Galster <list+post...@gcore.biz> wrote: > > I'm just curious, which openssl version are you using?
postfix 3.1.15 and openssl 1.1.0l on debian9 still. > Educating customers to ignore this kind of warning is not a good idea. > Try to disable session tickets for submission instead: I know, that was only for testing and I was surprised it helped. Thanks for the suggestion. -- bye, Marki