I even tried outlook with SPA switch on for sending, to which i recieve.
Aug 8 18:23:43 woody postfix/smtpd[24858]: connect from unknown[192.168.1.10]
Aug 8 18:23:43 woody postfix/smtpd[24858]: setting up TLS connection from unknown[192.168.1.10]
Aug 8 18:23:43 woody postfix/smtpd[24858]: TLS connection established from unknown[192.168.1.10]: TLSv1 with cipher RC4-MD5 (128/128 bits)
Aug 8 18:23:43 woody postfix/smtpd[24858]: NOQUEUE: reject: RCPT from unknown[192.168.1.10]: 554 <andy.friar@novus.co.uk>: Relay access denied; from=<andy@friar.info> to=<andy.friar@novus.co.uk> proto=ESMTP helo=<p4>
Aug 8 18:23:45 woody postfix/smtpd[24858]: disconnect from unknown[192.168.1.10]