Thanks for the reply, here is the log:
Mar 8 14:32:05 mail1mx zmmailboxdmgr[15377]: status OK
Mar 8 14:32:09 mail1mx postfix/smtpd[14725]: connect from k2smtpout03-01.prod.mesa1.secureserver.net[64.202.189.171]
Mar 8 14:32:09 mail1mx postfix/smtpd[14725]: NOQUEUE: reject: RCPT from k2smtpout03-01.prod.mesa1.secureserver.net[64.202.189.171]: 554 5.7.1
Mar 8 14:32:10 mail1mx postfix/smtpd[14725]: disconnect from k2smtpout03-01.prod.mesa1.secureserver.net[64.202.189.171]
Mar 8 14:32:24 mail1mx postfix/smtpd[14725]: connect from mail1mx.fastsupportonline.com[192.168.15.131]
Mar 8 14:32:24 mail1mx postfix/smtpd[14725]: 3BC605BA203: client=mail1mx.fastsupportonline.com[192.168.15.131]
Mar 8 14:32:24 mail1mx postfix/cleanup[14741]: 3BC605BA203: message-id=<33100815.10.1268080344108.JavaMail.root@mail1mx>
Mar 8 14:32:24 mail1mx postfix/qmgr[12985]: 3BC605BA203: from=
, size=657, nrcpt=1 (queue active)
Mar 8 14:32:24 mail1mx postfix/smtpd[14725]: disconnect from mail1mx.fastsupportonline.com[192.168.15.131]
Mar 8 14:32:24 mail1mx postfix/smtpd[16096]: connect from localhost[127.0.0.1]
Mar 8 14:32:24 mail1mx postfix/smtpd[16096]: 9A8725BA204: client=localhost[127.0.0.1]
Mar 8 14:32:24 mail1mx postfix/cleanup[14741]: 9A8725BA204: message-id=<33100815.10.1268080344108.JavaMail.root@mail1mx>
Mar 8 14:32:24 mail1mx postfix/qmgr[12985]: 9A8725BA204: from=, size=1127, nrcpt=1 (queue active)
Mar 8 14:32:24 mail1mx postfix/smtpd[16096]: disconnect from localhost[127.0.0.1]
Mar 8 14:32:24 mail1mx postfix/smtp[14757]: 3BC605BA203: to=, relay=127.0.0.1[127.0.0.1]:10024, delay=0.41, delays=0.01/0/0.01/0.39, dsn=2.$
Mar 8 14:32:24 mail1mx postfix/qmgr[12985]: 3BC605BA203: removed
Mar 8 14:32:25 mail1mx postfix/smtp[16097]: 9A8725BA204: to=, relay=mx1.hotmail.com[65.55.37.120]:25, delay=0.72, delays=0.01/0.03/0.32/0.3$
Mar 8 14:32:25 mail1mx postfix/qmgr[12985]: 9A8725BA204: removed
Mar 8 14:32:32 mail1mx zmmailboxdmgr[16423]: status requested
Mar 8 14:32:32 mail1mx zmmailboxdmgr[16423]: status OK
Mar 8 14:32:32 mail1mx zmmailboxdmgr[16483]: status requested
Mar 8 14:32:32 mail1mx zmmailboxdmgr[16483]: status OK