From OSSEC Wiki
Log Samples for postfix
- Postfix crash samples:
- Postfix internal error:
postfix/bounce[21172]: fatal: lock file defer 4438F62ECB: Resource temporarily unavailable
postfix/smtpd[21779]: warning: connect to private/policy: Resource temporarily unavailable
postfix/smtp[30785]: warning: 75FEC31D36: defer service failure
postfix/postfix-script: fatal: the Postfix mail system is not running
- Email rejected (source blacklisted):
postfix/smtpd[10419]: NOQUEUE: reject: RCPT from unknown[200.71.50.65]: 554 Service unavailable; Client host [200.71.50.65] blocked using sbl-xbl.spamhaus.org; http://www.spamhaus.org/query/bl?ip=200.71.50.65; from=<kpxbeiu@superig.com.br> to=<cleresilva@lac.ossec.net> proto=SMTP helo=<Static-IP-cr200715065.cable.net.co>
postfix/smtpd[13496]: NOQUEUE: reject: RCPT from pool-71-121-135-165.sttlwa.dsl-w.verizon.net[71.121.135.165]: 554 Service unavailable; Client host [71.121.135.165] blocked using sbl-xbl.spamhaus.org; http://www.spamhaus.org/query/bl?ip=71.121.135.165; from=<vxznjomowm@directnet.com.br> to=<lala@lac.ossec.net> proto=SMTP helo=<pool-71-121-135-165.sttlwa.dsl-w.verizon.net>
- Spam attempts:
postfix/smtpd[6741]: NOQUEUE: reject: RCPT from unknown[201.82.55.24]: 503 <nplxfbtk@fbi.com>: Sender address rejected: Improper use of SMTP command pipelining; from=<nplxfbtk@fbi.com> to=<x@x.br> proto=SMTP helo=<ran-2h991bqbujq>
postfix/smtpd[6741]: NOQUEUE: reject: RCPT from unknown[201.82.55.24]: 503 <nplxfbtk@fbi.com>: Sender address rejected: Improper use of SMTP command pipelining; from=<nplxfbtk@fbi.com> to=<x@xl.org.br> proto=SMTP helo=<ran-2h991bqbujq>
- Insufficient storage:
Sep 4 01:14:35 vector postfix/smtpd[15337]: NOQUEUE: reject: MAIL from 89.pool85-60-78.dynamic.orange.es[85.60.78.89]: 452 4.3.1 Insufficient system storage; proto=ESMTP helo=<89.pool85-60-78.dynamic.orange.es> Sep 4 02:24:39 vector postfix/smtpd[16863]: NOQUEUE: reject: MAIL from 217-133-56-239.b2b.tiscali.it[217.133.56.239]: 452 4.3.1 Insufficient system storage; proto=ESMTP helo=<217-133-56-239.b2b.tiscali.it> Jun 29 17:28:38 linuxserver postfix/smtpd[27712]: NOQUEUE: reject: MAIL from localhost[127.0.0.1]: 452 Insufficient system storage; proto=ESMTP helo=<localhost>