Helo command rejected: need fully-qualified hostname (in reply to RCPT TO command)
> postconf -n | grep myhostnamemyhostname = freecompsmtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
> postconf -n | grep myhostnamemyhostname = www.freecomp.czsmtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)