"Aki Tuomi" <aki.tu...@open-xchange.com> schreef op 21 september 2020 10:21:
> Ferenc, are you using systemd? If so, then you will discover under /tmp some > private temporary > directories, one of them is for dovecot, and your debug log is probably under > there. That was it. I didn't know that. With this it was quickly solved. It was a simple typo of course. Retraining is working now, I went with the antispam plugin. Many thanks to Aki and thanks too to the other people offering help. Ferenc