After Tumbleweed upgrading to 20230202 dovecot starts up OK, but KMail does
not connect anymore. The error messages, when attempting to connect are:
2023-02-05T14:56:56.232683+01:00 eiktum dovecot: imap-login: Error: Failed to
initialize SSL server context: Can't load SSL certificate (ssl_cert setting):
error:0200100D:system library:fopen:Permission denied: fopen('/etc/ssl/
openssl-1_1.cnf','rb'), error:2006D002:BIO routines:BIO_new_file:system lib,
error:0E078002:configuration file routines:def_load:system lib: user=<>,
rip=127.0.0.1, lip=127.0.0.1, secured, session=