On Sun, Aug 25, 2013 at 04:27:36PM -0400, Jerry wrote: > Aug 25 16:20:15 scorpio postfix/smtpd[76114]: warning: TLS library problem: > 76114:error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown > ca:s3_pkt.c:1256:SSL alert number 48:
Most likely the remote SMTP client (zeus) does not like the certificate authority that issued your server certificate. > This system had been working fine previously, so I am unsure of what > has transpired. This is happening on a FreeBSD-8.3 STABLE amd64 system > with Postfix (2.11-20130405). The remote SMTP client configuration has changed, or your Postfix SMTP server certificate configuration has changed. -- Viktor.