Trovato, e' in /volume1/@maillog
Trovo una cosa strana appena mando una email da un client lan:
2016-11-10T20:52:44+01:00 DiskStation postfix/smtpd[22331]: connect from unknown[10.1.0.2]
2016-11-10T20:52:44+01:00 DiskStation postfix/smtpd[22331]: using backwards-compatible default setting mynetworks_style=subnet to permit request from client "unknown[10.1.0.2]"
2016-11-10T20:52:44+01:00 DiskStation postfix/smtpd[22331]: using backwards-compatible default setting mynetworks_style=subnet to permit request from client "unknown[10.1.0.2]"
2016-11-10T20:52:44+01:00 DiskStation postfix/smtpd[22331]: using backwards-compatible default setting mynetworks_style=subnet to permit request from client "unknown[10.1.0.2]"
2016-11-10T20:52:44+01:00 DiskStation postfix/smtpd: SYSTEM: Last message 'using backwards-comp' repeated 2 times, suppressed by syslog-ng on DiskStation
2016-11-10T20:52:44+01:00 DiskStation postfix/smtpd[22331]: 6A65F3D6061F: client=unknown[10.1.0.2], sasl_method=PLAIN, sasl_username=posta
2016-11-10T20:52:44+01:00 DiskStation postfix/cleanup[22339]: 6A65F3D6061F: hold: header Received: from [10.1.0.2] (unknown [10.1.0.2])??(Authenticated sender: posta)??by localhost (Postfix) with ESMTPA id 6A65F3D6061F??for <
xxxxxxx@yahoo.it>; Thu, 10 Nov 2016 20:52:44 +0100 (CE from unknown[10.1.0.2]; from=<
xxxxx@tiscali.it> to=<
xxxxxxxxxxxxxxx@yahoo.it> proto=ESMTP helo=<[10.1.0.2]>
2016-11-10T20:52:48+01:00 DiskStation MailScanner[12984]: New Batch: Scanning 1 messages, 1351 bytes
2016-11-10T20:52:48+01:00 DiskStation MailScanner[12984]: Virus and Content Scanning: Starting
2016-11-10T20:52:48+01:00 DiskStation MailScanner[12984]: Requeue: 6A65F3D6061F.AD905 to 15F413D60643
2016-11-10T20:52:48+01:00 DiskStation postfix/qmgr[21616]: 15F413D60643: from=<
xxxxxxx@tiscali.it>, size=637, nrcpt=1 (queue active)
2016-11-10T20:52:48+01:00 DiskStation MailScanner[12984]: Uninfected: Delivered 1 messages
2016-11-10T20:52:49+01:00 DiskStation MailScanner[12984]: Deleted 1 messages from processing-database
2016-11-10T20:52:49+01:00 DiskStation postfix/smtp[22358]: SMTPS wrappermode (TCP port 465) requires setting "smtp_tls_wrappermode = yes", and "smtp_tls_security_level = encrypt" (or stronger)
2016-11-10T20:52:49+01:00 DiskStation postfix/smtp[22358]: warning: numeric domain name in resource data of MX record for smtp.tiscali.it: 127.0.0.1
2016-11-10T20:52:49+01:00 DiskStation postfix/smtp[22358]: connect to 127.0.0.1[127.0.0.1]:465: Connection refused
2016-11-10T20:52:49+01:00 DiskStation postfix/smtp[22358]: 15F413D60643: to=<
xxxxxxxxxxxxxx@yahoo.it>, relay=none, delay=4.8, delays=4.6/0.15/0.07/0, dsn=4.4.1, status=deferred (connect to 127.0.0.1[127.0.0.1]:465: Connection refused)
2016-11-10T20:54:08+01:00 DiskStation postfix/qmgr[21616]: 5BC703D6062E: from=<
xxxxxxx@tiscali.it>, size=637, nrcpt=1 (queue active)
2016-11-10T20:54:08+01:00 DiskStation postfix/qmgr[21616]: 968273D60639: from=<
xxxxxxxxx@tiscali.it>, size=643, nrcpt=1 (queue active)
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22358]: SMTPS wrappermode (TCP port 465) requires setting "smtp_tls_wrappermode = yes", and "smtp_tls_security_level = encrypt" (or stronger)
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22358]: warning: numeric domain name in resource data of MX record for smtp.tiscali.it: 127.0.0.1
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22358]: connect to 127.0.0.1[127.0.0.1]:465: Connection refused
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22626]: SMTPS wrappermode (TCP port 465) requires setting "smtp_tls_wrappermode = yes", and "smtp_tls_security_level = encrypt" (or stronger)
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22626]: warning: numeric domain name in resource data of MX record for smtp.tiscali.it: 127.0.0.1
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22626]: connect to 127.0.0.1[127.0.0.1]:465: Connection refused
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22626]: 968273D60639: to=<
xxxxxxxxxxxxx@yahoo.it>, relay=none, delay=360, delays=360/0.14/0.06/0, dsn=4.4.1, status=deferred (connect to 127.0.0.1[127.0.0.1]:465: Connection refused)
2016-11-10T20:54:08+01:00 DiskStation postfix/smtp[22358]: 5BC703D6062E: to=<
xxxxxxxxxxxxxx@yahoo.it>, relay=none, delay=1989, delays=1989/0.04/0.06/0, dsn=4.4.1, status=deferred (connect to 127.0.0.1[127.0.0.1]:465: Connection refused)
Non ho capito perche' smtp.tiscali.it lo traduce con 127.0.0.1