que tal brother aqui te adjunto lo que encontre en el mail info por si me puedes ayudar
Aug 30 00:41:35 servidorgt1 pop3d: LOGOUT, user=szuleta@tecniserviciosexpress.com, ip=[::ffff:190.98.164.39], port=[54314], top=0, retr=0, rcvd=12, sent=43, time=0
Aug 30 00:41:37 servidorgt1 postfix/smtpd[1635]: warning: 190.98.164.39: hostname rev-tvo-164-39.tvotelecom.net verification failed: Name or service not known
Aug 30 00:41:37 servidorgt1 postfix/smtpd[1635]: connect from unknown[190.98.164.39]
Aug 30 00:41:38 servidorgt1 postfix/smtpd[1635]: warning: SASL authentication failure: no secret in database
Aug 30 00:41:38 servidorgt1 postfix/smtpd[1635]: warning: unknown[190.98.164.39]: SASL NTLM authentication failed: authentication failure
Aug 30 00:41:38 servidorgt1 postfix/smtpd[1635]: warning: SASL authentication failure: realm changed: authentication aborted
Aug 30 00:41:38 servidorgt1 postfix/smtpd[1635]: warning: unknown[190.98.164.39]: SASL DIGEST-MD5 authentication failed: authentication failure
Aug 30 00:41:39 servidorgt1 postfix/smtpd[1635]: 0C7EB1A1C1D: client=unknown[190.98.164.39], sasl_method=LOGIN, sasl_username=szuleta@tecniserviciosexpress.com
Aug 30 00:41:39 servidorgt1 postfix/cleanup[1638]: 0C7EB1A1C1D: message-id=<>
Aug 30 00:41:39 servidorgt1 postfix/qmgr[1013]: 0C7EB1A1C1D: from=<szuleta@tecniserviciosexpress.com>, size=639, nrcpt=1 (queue active)
Aug 30 00:41:39 servidorgt1 postfix/virtual[1639]: 0C7EB1A1C1D: to=<szuleta@tecniserviciosexpress.com>, relay=virtual, delay=0.61, delays=0.59/0.01/0/0.02, dsn=2.0.0, $
Aug 30 00:41:39 servidorgt1 postfix/qmgr[1013]: 0C7EB1A1C1D: removed
Aug 30 00:41:39 servidorgt1 postfix/smtpd[1635]: disconnect from unknown[190.98.164.39]
Aug 30 00:41:58 servidorgt1 postfix/smtpd[1635]: warning: 190.98.164.39: hostname rev-tvo-164-39.tvotelecom.net verification failed: Name or service not known
Aug 30 00:41:58 servidorgt1 postfix/smtpd[1635]: connect from unknown[190.98.164.39]
Aug 30 00:41:59 servidorgt1 postfix/smtpd[1635]: warning: SASL authentication failure: no secret in database
Aug 30 00:41:59 servidorgt1 postfix/smtpd[1635]: warning: unknown[190.98.164.39]: SASL NTLM authentication failed: authentication failure
Aug 30 00:41:59 servidorgt1 postfix/smtpd[1635]: warning: SASL authentication failure: realm changed: authentication aborted
Aug 30 00:41:59 servidorgt1 postfix/smtpd[1635]: warning: unknown[190.98.164.39]: SASL DIGEST-MD5 authentication failed: authentication failure
Aug 30 00:42:00 servidorgt1 postfix/smtpd[1635]: F218B1A1C1D: client=unknown[190.98.164.39], sasl_method=LOGIN, sasl_username=szuleta@tecniserviciosexpress.com
Aug 30 00:42:01 servidorgt1 postfix/cleanup[1638]: F218B1A1C1D: message-id=<002f01cd867a$8dc4cef0$a94e6cd0$@tecniserviciosexpress.com>
Aug 30 00:42:01 servidorgt1 postfix/qmgr[1013]: F218B1A1C1D: from=<szuleta@tecniserviciosexpress.com>, size=2708, nrcpt=2 (queue active)
Aug 30 00:42:03 servidorgt1 postfix/smtp[1641]: F218B1A1C1D: to=<sw_zuleta86@hotmail.com>, relay=mx3.hotmail.com[65.55.92.152]:25, delay=4.1, delays=1.9/0.02/0.8/1.3, $
Aug 30 00:42:04 servidorgt1 postfix/smtpd[1635]: disconnect from unknown[190.98.164.39]
(08-30-2012 05:44 AM)kurgans Wrote: Busca la razon de la no salida en /var/log/mail.info