Panic: file smtp-client-connection.c: line 1212 (smtp_client_connection_established): assertion failed: (!conn->connect_succeeded)

Hello, after migrating from self-compiled Dovecot 2.3.3 to Dovecot 2.3.8 from the repository (Ubuntu 18.04 LTS "Bionic" packages) I have issues with the submission service. If I send an email, it will not be forwarded and I get the following error message: Oct 11 09:29:01 srv2 dovecot:

Re: Panic: file smtp-client-connection.c: line 1212 (smtp_client_connection_established): assertion failed: (!conn->connect_succeeded)

t = 465ssl = yes }}ssl = requiredssl_alt_cert = On 11.10.2019 10.50, Hativ via dovecot wrote: > > Hello, > > after migrating from self-compiled Dovecot 2.3.3 to Dovecot 2.3.8 > > fromthe repository (Ubuntu 18.04 LTS "Bionic" packages) I have > >