Is this the correct log?
Mar 20 10:13:01 hostname postfix/qmgr[15441]: 39F9BAD0063: removed Mar 20 10:13:31 hostname postfix/smtpd[31210]: connect from qw-out-2122.google.com[74.125.92.26] Mar 20 10:13:32 hostname postfix/smtpd[31210]: warning: Illegal address syntax from qw-out-2122.google.com[74.125.92.26] in RCPT command: <cover1 1231231...@xxx.ca <4034767...@crebifax.ca>> Mar 20 10:13:32 hostname postfix/smtpd[31210]: disconnect from qw-out-2122.google.com[74.125.92.26]