Please post the exact error messages from mail.log.
Hi till,
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>, relay=local, delay=0.01, delays=0.01/0/0/0.01, dsn=2.0.0, status=sent (delivered to mailbox)
Jan 2 12:10:05 dns1 postfix/qmgr[2184]: F3B374057D: removed
Jan 2 12:10:05 dns1 amavis[1732]: (01732-03) Passed CLEAN, <www-data@dns1.cuill.es> -> <www-data@dns1.cuill.es>, Message-ID: <20120102111004.8DA774057E@dns1.cuill.es>, mail_id: 6F9HtrnUfDJS, Hits: -1.901, size: 849, queued_as: F3B374057D, 349 ms
Jan 2 12:10:05 dns1 postfix/smtp[2937]: 8DA774057E: to=<www-data@dns1.cuill.es>, orig_to=<www-data>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.44, delays=0.01/0/0.12/0.32, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as F3B374057D)
Jan 2 12:10:05 dns1 postfix/qmgr[2184]: 8DA774057E: removed
Jan 2 12:15:02 dns1 pop3d: Connection, ip=[::1]
Jan 2 12:15:02 dns1 pop3d: Disconnected, ip=[::1]
Jan 2 12:15:02 dns1 imapd: Connection, ip=[::1]
Jan 2 12:15:02 dns1 imapd: Disconnected, ip=[::1], time=0
Jan 2 12:15:03 dns1 postfix/smtpd[3080]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:15:03 dns1 postfix/smtpd[3080]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Jan 2 12:15:03 dns1 postfix/smtpd[3080]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:20:16 dns1 pop3d: Connection, ip=[::1]
Jan 2 12:20:16 dns1 pop3d: Disconnected, ip=[::1]
Jan 2 12:20:16 dns1 imapd: Connection, ip=[::1]
Jan 2 12:20:16 dns1 imapd: Disconnected, ip=[::1], time=0
Jan 2 12:20:16 dns1 postfix/smtpd[3189]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:20:16 dns1 postfix/smtpd[3189]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Jan 2 12:20:16 dns1 postfix/smtpd[3189]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:20:17 dns1 postfix/pickup[2183]: 519694057D: uid=33 from=<www-data>
Jan 2 12:20:17 dns1 postfix/cleanup[3217]: 519694057D: message-id=<20120102112017.519694057D@dns1.cuill.es>
Jan 2 12:20:17 dns1 postfix/qmgr[2184]: 519694057D: from=<www-data@dns1.cuill.es>, size=849, nrcpt=1 (queue active)
Jan 2 12:20:20 dns1 postfix/smtpd[3222]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:20:20 dns1 postfix/smtpd[3222]: 0F5AA4057E: client=localhost.localdomain[127.0.0.1]
Jan 2 12:20:20 dns1 postfix/cleanup[3217]: 0F5AA4057E: message-id=<20120102112017.519694057D@dns1.cuill.es>
Jan 2 12:20:20 dns1 postfix/qmgr[2184]: 0F5AA4057E: from=<www-data@dns1.cuill.es>, size=1301, nrcpt=1 (queue active)
Jan 2 12:20:20 dns1 postfix/smtpd[3222]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:20:20 dns1 amavis[1733]: (01733-04) Passed CLEAN, <www-data@dns1.cuill.es> -> <www-data@dns1.cuill.es>, Message-ID: <20120102112017.519694057D@dns1.cuill.es>, mail_id: 6oD+OHKYzHEb, Hits: -1.901, size: 849, queued_as: 0F5AA4057E, 2681 ms
Jan 2 12:20:20 dns1 postfix/smtp[3219]: 519694057D: to=<www-data@dns1.cuill.es>, orig_to=<www-data>, relay=127.0.0.1[127.0.0.1]:10024, delay=2.9, delays=0.14/0.02/0.12/2.6, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 0F5AA4057E)
Jan 2 12:20:20 dns1 postfix/qmgr[2184]: 519694057D: removed
Jan 2 12:20:20 dns1 postfix/local[3223]: 0F5AA4057E: to=<www-data@dns1.cuill.es>, relay=local, delay=0.13, delays=0.06/0.02/0/0.05, dsn=2.0.0, status=sent (delivered to mailbox)
Jan 2 12:20:20 dns1 postfix/qmgr[2184]: 0F5AA4057E: removed
Jan 2 12:25:01 dns1 pop3d: Connection, ip=[::1]
Jan 2 12:25:01 dns1 pop3d: Disconnected, ip=[::1]
Jan 2 12:25:01 dns1 imapd: Connection, ip=[::1]
Jan 2 12:25:01 dns1 imapd: Disconnected, ip=[::1], time=0
Jan 2 12:25:02 dns1 postfix/smtpd[3293]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:25:02 dns1 postfix/smtpd[3293]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Jan 2 12:25:02 dns1 postfix/smtpd[3293]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:30:02 dns1 pop3d: Connection, ip=[::1]
Jan 2 12:30:02 dns1 pop3d: Disconnected, ip=[::1]
Jan 2 12:30:02 dns1 imapd: Connection, ip=[::1]
Jan 2 12:30:02 dns1 imapd: Disconnected, ip=[::1], time=0
Jan 2 12:30:02 dns1 postfix/smtpd[3400]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:30:02 dns1 postfix/smtpd[3400]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Jan 2 12:30:02 dns1 postfix/smtpd[3400]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:30:02 dns1 postfix/pickup[2183]: 5547E4057E: uid=33 from=<www-data>
Jan 2 12:30:02 dns1 postfix/cleanup[3428]: 5547E4057E: message-id=<20120102113002.5547E4057E@dns1.cuill.es>
Jan 2 12:30:02 dns1 postfix/qmgr[2184]: 5547E4057E: from=<www-data@dns1.cuill.es>, size=849, nrcpt=1 (queue active)
Jan 2 12:30:02 dns1 postfix/smtpd[3433]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:30:02 dns1 postfix/smtpd[3433]: 792C240524: client=localhost.localdomain[127.0.0.1]
Jan 2 12:30:02 dns1 postfix/cleanup[3428]: 792C240524: message-id=<20120102113002.5547E4057E@dns1.cuill.es>
Jan 2 12:30:02 dns1 postfix/qmgr[2184]: 792C240524: from=<www-data@dns1.cuill.es>, size=1301, nrcpt=1 (queue active)
Jan 2 12:30:02 dns1 amavis[1732]: (01732-04) Passed CLEAN, <www-data@dns1.cuill.es> -> <www-data@dns1.cuill.es>, Message-ID: <20120102113002.5547E4057E@dns1.cuill.es>, mail_id: kDVm7qVZ+gWE, Hits: -1.901, size: 849, queued_as: 792C240524, 154 ms
Jan 2 12:30:02 dns1 postfix/smtpd[3433]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:30:02 dns1 postfix/smtp[3430]: 5547E4057E: to=<www-data@dns1.cuill.es>, orig_to=<www-data>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.19, delays=0.02/0.01/0/0.16, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 792C240524)
Jan 2 12:30:02 dns1 postfix/qmgr[2184]: 5547E4057E: removed
Jan 2 12:30:02 dns1 postfix/local[3434]: 792C240524: to=<www-data@dns1.cuill.es>, relay=local, delay=0.07, delays=0.02/0.02/0/0.03, dsn=2.0.0, status=sent (delivered to mailbox)
Jan 2 12:30:02 dns1 postfix/qmgr[2184]: 792C240524: removed
Jan 2 12:35:04 dns1 pop3d: Connection, ip=[::1]
Jan 2 12:35:04 dns1 pop3d: Disconnected, ip=[::1]
Jan 2 12:35:04 dns1 imapd: Connection, ip=[::1]
Jan 2 12:35:04 dns1 imapd: Disconnected, ip=[::1], time=0
Jan 2 12:35:04 dns1 postfix/smtpd[3505]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:35:04 dns1 postfix/smtpd[3505]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Jan 2 12:35:04 dns1 postfix/smtpd[3505]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:39:01 dns1 postfix/pickup[2183]: C6A404057E: uid=0 from=<root>
Jan 2 12:39:01 dns1 postfix/cleanup[3666]: C6A404057E: message-id=<20120102113901.C6A404057E@dns1.cuill.es>
Jan 2 12:39:01 dns1 postfix/qmgr[2184]: C6A404057E: from=<root@dns1.cuill.es>, size=882, nrcpt=1 (queue active)
Jan 2 12:39:10 dns1 postfix/smtpd[3672]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:39:10 dns1 postfix/smtpd[3672]: AC52640524: client=localhost.localdomain[127.0.0.1]
Jan 2 12:39:10 dns1 postfix/cleanup[3666]: AC52640524: message-id=<20120102113901.C6A404057E@dns1.cuill.es>
Jan 2 12:39:10 dns1 postfix/qmgr[2184]: AC52640524: from=<root@dns1.cuill.es>, size=1326, nrcpt=1 (queue active)
Jan 2 12:39:10 dns1 postfix/smtpd[3672]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:39:10 dns1 amavis[1733]: (01733-05) Passed CLEAN, <root@dns1.cuill.es> -> <root@dns1.cuill.es>, Message-ID: <20120102113901.C6A404057E@dns1.cuill.es>, mail_id: IYM2QlJSdhsI, Hits: -1.901, size: 880, queued_as: AC52640524, 8865 ms
Jan 2 12:39:10 dns1 postfix/smtp[3669]: C6A404057E: to=<root@dns1.cuill.es>, orig_to=<root>, relay=127.0.0.1[127.0.0.1]:10024, delay=9.1, delays=0.1/0.03/0/8.9, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as AC52640524)
Jan 2 12:39:10 dns1 postfix/qmgr[2184]: C6A404057E: removed
Jan 2 12:39:10 dns1 postfix/local[3673]: AC52640524: to=<root@dns1.cuill.es>, relay=local, delay=0.24, delays=0.04/0.13/0/0.06, dsn=2.0.0, status=sent (delivered to mailbox)
Jan 2 12:39:10 dns1 postfix/qmgr[2184]: AC52640524: removed
Jan 2 12:40:05 dns1 postfix/pickup[2183]: 619B64057E: uid=33 from=<www-data>
Jan 2 12:40:05 dns1 postfix/cleanup[3666]: 619B64057E: message-id=<20120102114005.619B64057E@dns1.cuill.es>
Jan 2 12:40:05 dns1 postfix/qmgr[2184]: 619B64057E: from=<www-data@dns1.cuill.es>, size=849, nrcpt=1 (queue active)
Jan 2 12:40:07 dns1 pop3d: Connection, ip=[::1]
Jan 2 12:40:07 dns1 pop3d: Disconnected, ip=[::1]
Jan 2 12:40:07 dns1 imapd: Connection, ip=[::1]
Jan 2 12:40:07 dns1 imapd: Disconnected, ip=[::1], time=0
Jan 2 12:40:08 dns1 postfix/smtpd[3715]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:40:08 dns1 postfix/smtpd[3715]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Jan 2 12:40:08 dns1 postfix/smtpd[3715]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:40:09 dns1 postfix/smtpd[3672]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:40:09 dns1 postfix/smtpd[3672]: D1CAF4057D: client=localhost.localdomain[127.0.0.1]
Jan 2 12:40:09 dns1 postfix/cleanup[3666]: D1CAF4057D: message-id=<20120102114005.619B64057E@dns1.cuill.es>
Jan 2 12:40:09 dns1 postfix/qmgr[2184]: D1CAF4057D: from=<www-data@dns1.cuill.es>, size=1301, nrcpt=1 (queue active)
Jan 2 12:40:09 dns1 postfix/smtpd[3672]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:40:09 dns1 amavis[1732]: (01732-05) Passed CLEAN, <www-data@dns1.cuill.es> -> <www-data@dns1.cuill.es>, Message-ID: <20120102114005.619B64057E@dns1.cuill.es>, mail_id: YBOfvsiLpmXG, Hits: -1.901, size: 849, queued_as: D1CAF4057D, 4484 ms
Jan 2 12:40:09 dns1 postfix/smtp[3669]: 619B64057E: to=<www-data@dns1.cuill.es>, orig_to=<www-data>, relay=127.0.0.1[127.0.0.1]:10024, delay=4.6, delays=0.14/0/0.04/4.4, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as D1CAF4057D)
Jan 2 12:40:09 dns1 postfix/qmgr[2184]: 619B64057E: removed
Jan 2 12:40:10 dns1 postfix/local[3673]: D1CAF4057D: to=<www-data@dns1.cuill.es>, relay=local, delay=0.21, delays=0.09/0/0/0.12, dsn=2.0.0, status=sent (delivered to mailbox)
Jan 2 12:40:10 dns1 postfix/qmgr[2184]: D1CAF4057D: removed
Jan 2 12:44:55 dns1 pop3d: Connection, ip=[::ffff:10.1.128.104]
Jan 2 12:44:55 dns1 pop3d: LOGIN, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49497]
Jan 2 12:44:55 dns1 pop3d: LOGOUT, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49497], top=0, retr=0, rcvd=24, sent=722, time=0
Jan 2 12:45:02 dns1 pop3d: Connection, ip=[::1]
Jan 2 12:45:02 dns1 pop3d: Disconnected, ip=[::1]
Jan 2 12:45:02 dns1 imapd: Connection, ip=[::1]
Jan 2 12:45:02 dns1 imapd: Disconnected, ip=[::1], time=0
Jan 2 12:45:03 dns1 postfix/smtpd[3813]: connect from localhost.localdomain[127.0.0.1]
Jan 2 12:45:03 dns1 postfix/smtpd[3813]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Jan 2 12:45:03 dns1 postfix/smtpd[3813]: disconnect from localhost.localdomain[127.0.0.1]
Jan 2 12:45:16 dns1 postfix/smtpd[3813]: connect from unknown[10.1.128.104]
Jan 2 12:45:16 dns1 postfix/smtpd[3813]: NOQUEUE: reject: RCPT from unknown[10.1.128.104]: 554 5.7.1 <delfo2000@yahoo.it>: Relay access denied; from=<admin@cuill.es> to=<delfo2000@yahoo.it> proto=ESMTP helo=<MACWIN7>
Jan 2 12:45:19 dns1 postfix/smtpd[3813]: disconnect from unknown[10.1.128.104]
Jan 2 12:45:20 dns1 pop3d: Connection, ip=[::ffff:10.1.128.104]
Jan 2 12:45:20 dns1 pop3d: LOGIN, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49500]
Jan 2 12:45:20 dns1 pop3d: LOGOUT, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49500], top=0, retr=0, rcvd=24, sent=722, time=0
Jan 2 12:45:22 dns1 pop3d: Connection, ip=[::ffff:10.1.128.104]
Jan 2 12:45:22 dns1 pop3d: LOGIN, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49502]
Jan 2 12:45:22 dns1 pop3d: LOGOUT, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49502], top=0, retr=0, rcvd=24, sent=722, time=0
Jan 2 12:45:49 dns1 pop3d: Connection, ip=[::ffff:10.1.128.104]
Jan 2 12:45:49 dns1 pop3d: LOGIN, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49504]
Jan 2 12:45:49 dns1 pop3d: LOGOUT, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49504], top=0, retr=0, rcvd=24, sent=722, time=0
Jan 2 12:46:05 dns1 pop3d: Connection, ip=[::ffff:10.1.128.104]
Jan 2 12:46:05 dns1 pop3d: LOGIN, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49507]
Jan 2 12:46:05 dns1 pop3d: LOGOUT, user=admin@cuill.es, ip=[::ffff:10.1.128.104], port=[49507], top=0, retr=0, rcvd=24, sent=722, time=0
root@dns1:/var/log#
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Regards