Jan 31 20:32:42 server.example.net sm-mta[15441]: STARTTLS=server, error: cannot read DH parameters(/etc/mail/tls/sendmail-common.prm): error:0906D06C:PEM routines:PEM_read_bio:no start line
openssl dhparam -out /etc/mail/tls/sendmail-common.prm -2 1024
via: http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/7809e9e47f39494c