INFO Feb 9 9:42:50 [0x200571b4]: RBL result: host 111.222.123.123.spamcop.net seems clean
INFO Feb 9 9:42:50 [0x200571b4]: RBL result: host 111.222.123.123.dnsbl-1.uceprotect.net seems clean
MESSAGE Feb 9 9:42:50 [0x200571b4]: [0x200571b40](XXX@YYY.com.tw)SF Policy Action: ACCEPT
MESSAGE Feb 9 9:42:50 [0x200571b4]: [0x200571b40]
Mail Received with 552 Requested mail action aborted: Mail size is too small
MESSAGE Feb 9 9:42:50 [3941976896]: Notification generated for Mail sending failure: Recipient
ZZZ@ttt.com, Mail server 123.123.123.123:25
INFO Feb 9 9:42:50 [0x200571b4]: Request: 'QUIT'
ERROR Feb 9 9:42:50 [0x200571b5]: write_rwbuffer: write failed(57): Broken pipe