Hi, Problem: ====== Unable to send outbound mail using 'postfix'.
Error Message: =========== Feb 6 17:09:53 abc-host sendmail[11601]: n16N9rC7011601: from=root, size=48, class=0, nrcpts=1, msgid=< 200902062309.n16n9rc7011...@abc-host.localdomain>, relay=r...@localhost Feb 6 17:09:53 abc-host sendmail[11601]: n16N9rC7011601: to=test-...@test.domain, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30048, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1] Configuration: ========== OS - CentOS 5.2 Postfix - postfix-2.3.3-2.1.el5_2 # postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 html_directory = no inet_interfaces = localhost mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES relayhost = [smtp.gmail.com]:587 sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/gmailpasswd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_tls_cert_file = /etc/postfix/ssl/mail.cert smtp_tls_enforce_peername = no smtp_tls_key_file = /etc/postfix/ssl/mail.key smtp_tls_note_starttls_offer = yes smtp_tls_scert_verifydepth = 5 smtp_use_tls = yes smtpd_tls_ask_ccert = yes smtpd_tls_req_ccert = no tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 550 # netstat -natp | grep -i 25 ... tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 11669/master ... Test: === 1) The following test works just fine. ========================== # telnet localhost 25 Trying 127.0.0.1... Connected to localhost.localdomain (127.0.0.1). Escape character is '^]'. 220 abc-host.localdomain ESMTP Postfix ehlo localhost 250-abc-host.localdomain 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN mail from: root 250 2.1.0 Ok rcpt to: test-...@test.domain 250 2.1.5 Ok data 354 End data with <CR><LF>.<CR><LF> test email. . 250 2.0.0 Ok: queued as B24FA60112 # tail /var/log/maillog ... Feb 6 17:19:35 abc-host postfix/smtpd[11678]: connect from localhost.localdomain[127.0.0.1] Feb 6 17:20:20 abc-host postfix/smtpd[11678]: B24FA60112: client=localhost.localdomain[127.0.0.1] Feb 6 17:20:30 abc-host postfix/cleanup[11682]: B24FA60112: message-id=< 20090206232020.b24fa60...@abc-host.localdomain> Feb 6 17:20:30 abc-host postfix/qmgr[11672]: B24FA60112: from=< r...@abc-host.localdomain>, size=375, nrcpt=1 (queue active) Feb 6 17:20:31 abc-host postfix/smtp[11683]: certificate verification failed for smtp.gmail.com: num=20:unable to get local issuer certificate Feb 6 17:20:31 abc-host postfix/smtp[11683]: certificate verification failed for smtp.gmail.com: num=27:certificate not trusted Feb 6 17:20:31 abc-host postfix/smtp[11683]: certificate verification failed for smtp.gmail.com: num=21:unable to verify the first certificate ... The 'certificate verification failed' messages are ok since i was able to recieve the mail at the desired destination. 2. The follwowing test fails. ==================== # mailx -s "test email" test-...@test.domain </dev/null # tail /var/log/maillog ... Feb 6 17:09:53 abc-host sendmail[11601]: n16N9rC7011601: from=root, size=48, class=0, nrcpts=1, msgid=< 200902062309.n16n9rc7011...@abc-host.localdomain>, relay=r...@localhost Feb 6 17:09:53 abc-host sendmail[11601]: n16N9rC7011601: to=test-...@test.domain, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30048, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1] ... NOTE: The firewall is stopped and Selinux disabled. Thank you. -- Regards, mantra - Instrument of Thought