ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot