Am 19.02.2015 um 16:53 schrieb st...@thornet.co.uk:
We have lots of these in the logs warning: TLS library problem: 15696:error:14094416:SSL routines:SSL3_READ_BYTES:sslv3 alert certificate unknown:s3_pkt.c:1256:SSL alert number 46: Should I be worried?
without the realted loglines above and below, no context and without "postconf -n" who knows - frankly you did even not say if it's incoming or outgoing mail