Aug 31 10:26:49 linuxrelay postfix/smtpd[23772]: connect from engrepos02.sf.companyname.com[10.0.5.19] Aug 31 10:27:32 linuxrelay postfix/smtpd[23772]: 126353FC44: client=engrepos02.sf.companyname.com[10.0.5.19] Aug 31 10:27:43 linuxrelay postfix/cleanup[23776]: 126353FC44: message-id=<> Aug 31 10:27:43 linuxrelay postfix/qmgr[24423]: 126353FC44: from=, size=243, nrcpt=1 (queue active) Aug 31 10:27:43 linuxrelay postfix/smtp[23777]: warning: smtp.mail.microsoftonline.com[65.55.171.153]:587 offered null AUTH mechanism list Aug 31 10:27:44 linuxrelay postfix/smtp[23777]: 126353FC44: to=, relay=smtp.mail.microsoftonline.com[65.55.171.153]:587, delay=22, delays=21/0/0.86/0.19, dsn=2.6.0, status=sent (250 2.6.0 <91179289-e194-4abc-891d-88474d7bf456@VA3DIAHUB030.RED001.local> Queued mail for delivery) Aug 31 10:27:44 linuxrelay postfix/qmgr[24423]: 126353FC44: removed This doesn't work! Aug 31 10:32:43 linuxrelay postfix/smtpd[23772]: timeout after END-OF-MESSAGE from engrepos02.sf.companyname.com[10.0.5.19] Aug 31 10:32:43 linuxrelay postfix/smtpd[23772]: disconnect from engrepos02.sf.companyname.com[10.0.5.19] Aug 31 10:39:12 linuxrelay postfix/smtpd[24210]: connect from engrepos02.sf.companyname.com[10.0.5.19] Aug 31 10:39:12 linuxrelay postfix/smtpd[24210]: 985833FC44: client=engrepos02.sf.companyname.com[10.0.5.19] Aug 31 10:39:12 linuxrelay postfix/cleanup[24214]: 985833FC44: message-id=<201108311739.p7VHdCOX007473@engrepos02.sf.companyname.com> Aug 31 10:39:12 linuxrelay postfix/qmgr[24423]: 985833FC44: from=, size=1084, nrcpt=1 (queue active) Aug 31 10:39:12 linuxrelay postfix/smtpd[24210]: disconnect from engrepos02.sf.companyname.com[10.0.5.19] Aug 31 10:39:12 linuxrelay postfix/smtp[24215]: warning: smtp.mail.microsoftonline.com[65.55.171.153]:587 offered null AUTH mechanism list Aug 31 10:39:13 linuxrelay postfix/smtp[24215]: 985833FC44: to=, relay=smtp.mail.microsoftonline.com[65.55.171.153]:587, delay=1.1, delays=0.07/0.06/0.79/0.15, dsn=5.7.1, status=bounced (host smtp.mail.microsoftonline.com[65.55.171.153] said: 550 5.7.1 Client does not have permissions to send as this sender (in reply to end of DATA command))