error smtp outlook

[wilson paolini]

Good morning everybody, I'm having problems with SMTP authentication in Outlook. Follows the log zimbra.log below:


Feb 17 10:14:13 mail postfix/smtpd[30272]: warning: 186.204.224.94: hostname bacce05e.virtua.com.br verification failed: Name
or service not known
Feb 17 10:14:13 mail postfix/smtpd[30272]: connect from unknown[186.204.225.99]
Feb 17 10:14:13 mail postfix/smtpd[30272]: setting up TLS connection from unknown[186.204.225.99]
Feb 17 10:14:13 mail postfix/smtpd[30272]: Anonymous TLS connection established from unknown[186.204.225.99]: TLSv1 with ciphe
r RC4-MD5 (128/128 bits)
Feb 17 10:14:13 mail postfix/smtpd[30272]: NOQUEUE: reject: RCPT from unknown[186.204.225.99]: 554 5.7.1 <email@destino.com>: Recipient address rejected: Relay access denied; from=<email.usuario@dominio.com.br> to=<email@destino.com> prot
o=ESMTP helo=<raicomxp>
Feb 17 10:14:13 mail postfix/smtpd[30272]: 7E02AC079A: client=unknown[186.204.225.99]
Feb 17 10:14:13 mail postfix/cleanup[30275]: 7E02AC079A: message-id=<004201cbcea5$28bf6a30$7a3e3e90$@usuario@domini o.com.br>
Feb 17 10:14:13 mail postfix/qmgr[11217]: 7E02AC079A: from=<email.usuario@dominio.com.br>, size=2646, nrcpt=1 (queue active)
Feb 17 10:14:13 mail amavis[2931]: (02931-13) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20110216T211400-02931: <email.usuario@dominio.com.br> -> <email.usuario@dominio.com.br> SIZE=2646 Received: from mail.dominio.com.br ([127.0.0.1]) by localhos
t (mail.raicom.com.br [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <email.usuario@dominio.com.br>; Thu, 17 Feb 2011 1
0:14:13 -0200 (BRST)
Feb 17 10:14:13 mail amavis[2931]: (02931-13) Checking: ZPA1NtEg6943 [186.204.225.99] <email.usuario@dominio.com.br> -> <email.usuario@dominio.com.br>
Feb 17 10:14:14 mail postfix/smtpd[30279]: connect from localhost.localdomain[127.0.0.1]
Feb 17 10:14:14 mail postfix/smtpd[30279]: 28969C079B: client=localhost.localdomain[127.0.0.1]
Feb 17 10:14:14 mail postfix/cleanup[30275]: 28969C079B: message-id=<004201cbcea5$28bf6a30$7a3e3e90$@paolini@raicom .com.br>
Feb 17 10:14:14 mail postfix/qmgr[11217]: 28969C079B: from=<email.usuario@dominio.com.br>, size=3396, nrcpt=1 (queue active)
Feb 17 10:14:14 mail postfix/smtpd[30279]: disconnect from localhost.localdomain[127.0.0.1]
Feb 17 10:14:14 mail amavis[2931]: (02931-13) FWD via SMTP: <email.usuario@dominio.com.br> -> <email.usuario@dominio.com.br>,
250 2.0.0 Ok, id=02931-13, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 28969C079B
Feb 17 10:14:14 mail postfix/trivial-rewrite[2301]: warning: do not list domain raicom.com.br in BOTH virtual_mailbox_domains
and relay_domains

Does anyone know what might be?

Wilson Paolini