On Mon, Oct 21, 2013 at 10:07:13AM -0500, Noel Jones wrote: > > Oct 21 08:43:58 <hostname> postfix/smtp[5991]: CA certificate > > verification failed for mx10.unicredit.eu[62.122.80.93]:25: > > num=7:certificate signature failure > > Looks as if they use a private root CA. Probably the easiest fix is > to use "fingerprint" verification. See: > http://www.postfix.org/postconf.5.html#smtp_tls_policy_maps
No, that would be a trust error not a signature error. -- Viktor.