In zimbra.log?
I sent another mail now and the output of zimbra.log said:
Jul 10 13:28:24 correu amavis[21602]: (21602-05) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20090710T131332-21602: <dlopez@elbaixllobregat.cat> -> <llobre2009@hotmail.com> SIZE=4627 Received: from correu.elbaixllobregat.local ([127.0.0.1]) by localhost (correu.elbaixllobregat.local [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <llobre2009@hotmail.com>; Fri, 10 Jul 2009 13:28:24 +0200 (CEST)
Jul 10 13:28:24 correu postfix/pipe[25844]: B048F39EC02D: to=<llobre2009@hotmail.com>, relay=dfilt, delay=0.09, delays=0.01/0/0/0.08, dsn=2.0.0, status=sent (delivered via dfilt service)
Jul 10 13:28:24 correu amavis[21602]: (21602-05) Checking: zlIVgP8pMKJp <dlopez@elbaixllobregat.cat> -> <llobre2009@hotmail.com>
Jul 10 13:28:25 correu amavis[21602]: (21602-05) FWD via SMTP: <dlopez@elbaixllobregat.cat> -> <llobre2009@hotmail.com>, 250 2.6.0 Ok, id=21602-05, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 12F5939EC02D
Jul 10 13:28:25 correu amavis[21602]: (21602-05) Passed CLEAN, <dlopez@elbaixllobregat.cat> -> <llobre2009@hotmail.com>, Message-ID: <2469162.240981247225304400.JavaMail.root@correu.e lbaixllobregat.local>, mail_id: zlIVgP8pMKJp, Hits: -1.283, size: 4622, queued_as: 12F5939EC02D, 289 ms
Jul 10 13:28:25 correu postfix/smtp[26241]: C19D839EC031: to=<llobre2009@hotmail.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.3, delays=0.01/0/0/0.29, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 12F5939EC02D)
Jul 10 13:28:26 correu postfix/smtp[27698]: 12F5939EC02D: to=<llobre2009@hotmail.com>, relay=mx3.hotmail.com[65.55.37.104]:25, delay=1.4, delays=0/0/0.78/0.63, dsn=2.0.0, status=sent (250 <2469162.240981247225304400.JavaMail.root@correu.e lbaixllobregat.local> Queued mail for delivery)
And nothing else. In the Mail Queues is not the email. And the mail not arrives.
I have in dns a TXT record: v=spf1 a mx ߬ all