I am giving below the relevant portion of the mail.log. It looks like the mail is send using localhost.localdomain. Cannot make out what action I can take to eliminate this: Code: Jun 1 01:15:11 server1 postfix/smtpd[20303]: connect from a95-93-126-14.cpe.netcabo.pt[95.93.126.14] Jun 1 01:15:15 server1 postfix/smtpd[20303]: warning: a95-93-126-14.cpe.netcabo.pt[95.93.126.14]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 1 01:15:15 server1 postfix/smtpd[20303]: disconnect from a95-93-126-14.cpe.netcabo.pt[95.93.126.14] Jun 1 01:15:19 server1 postfix/smtpd[20303]: connect from localhost.localdomain[127.0.0.1] Jun 1 01:15:19 server1 postfix/smtpd[20303]: NOQUEUE: filter: RCPT from localhost.localdomain[127.0.0.1]: <[email protected]>: Sender address triggers FILTER amavis:[127.0.0.1]:10026; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<server1.mywebsolutions.co.in> Jun 1 01:15:19 server1 postfix/cleanup[20312]: warning: regexp map /etc/postfix/header_checks, line 39: Invalid preceding regular expression Jun 1 01:15:19 server1 postfix/smtpd[20303]: A0035604F6B: client=localhost.localdomain[127.0.0.1] Jun 1 01:15:19 server1 postfix/cleanup[20312]: A0035604F6B: message-id=<[email protected]> Jun 1 01:15:19 server1 postfix/cleanup[20312]: A0035604F6B: warning: header To: "[email protected]" <[email protected]> from localhost.localdomain[127.0.0.1]; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<server1.mywebsolutions.co.in> Jun 1 01:15:19 server1 postfix/cleanup[20312]: A0035604F6B: warning: header From: "Rebecca Watson" <[email protected]> from localhost.localdomain[127.0.0.1]; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<server1.mywebsolutions.co.in> Jun 1 01:15:19 server1 postfix/cleanup[20312]: A0035604F6B: warning: header Subject: Your Order with Alibaba Group from localhost.localdomain[127.0.0.1]; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<server1.mywebsolutions.co.in> Jun 1 01:15:19 server1 postfix/smtpd[20303]: disconnect from localhost.localdomain[127.0.0.1] Jun 1 01:15:19 server1 postfix/qmgr[22293]: A0035604F6B: from=<[email protected]>, size=1310, nrcpt=1 (queue active) Jun 1 01:15:30 server1 postfix/smtpd[20320]: connect from localhost.localdomain[127.0.0.1] Jun 1 01:15:30 server1 postfix/smtpd[20320]: CB123604F7E: client=localhost.localdomain[127.0.0.1] Jun 1 01:15:30 server1 postfix/cleanup[20312]: CB123604F7E: message-id=<[email protected]> Jun 1 01:15:31 server1 postfix/smtpd[20320]: disconnect from localhost.localdomain[127.0.0.1] Jun 1 01:15:31 server1 postfix/qmgr[22293]: CB123604F7E: from=<[email protected]>, size=1821, nrcpt=1 (queue active) Jun 1 01:15:31 server1 amavis[17874]: (17874-10) Passed CLEAN, ORIGINATING LOCAL [127.0.0.1] [127.0.0.1] <[email protected]> -> <[email protected]>, Message-ID: <[email protected]>, mail_id: L80U272zxP+3, Hits: 3.552, size: 1308, queued_as: CB123604F7E, 10789 ms Jun 1 01:15:31 server1 postfix/smtp[20313]: A0035604F6B: to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10026, delay=12, delays=0.48/0.38/0/11, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10027): 250 2.0.0 Ok: queued as CB123604F7E) Jun 1 01:15:31 server1 postfix/qmgr[22293]: A0035604F6B: removed
