On Wed, Jan 11, 2012 at 04:15:17PM +0100, Stefan wrote: > Hello list, > mail.example.com[aaa.bbb.ccc.ddd]:25: TLSv1 with cipher ADH-CAMELLIA256-SHA
This is an anonymous cipher. With
smtpd_tls_mandatory_exclude_ciphers = aNULL
or
smtpd_tls_exclude_ciphers = aNULL
you can disable the useage of anonymous ciphers.
Take a look at http://www.postfix.org/TLS_README.html#server_cipher.
Dennis
