More interesting logs...

Oct 18 16:50:46 localhost postfix/smtp[16149]: 38C63D984950:
to=<aaa@xxx.com>, relay=vip.xxx.com[xxx.xxx.61.145], delay=5526,
status=deferred (lost connection with vip.xxx.com[xxx.xxx.61.145] while
sending end of data -- message may be sent more than once)




hphinizy3@gmail.com wrote:
> I am seeing the log below occurring frequently on all four of my
> external relays. These relays hand off to a set of tumbleweeds via a
> load balanced VIP. I can telnet to the VIP via port 25 as well as the
> actual nodes themselves. Queue is building and I cannot find why the
> mail is being deferred. I am not using amavisd and as you can tell by
> the log entry there are no deferred attempts to localhost. Please
> help, situation is becoming critical... I see several instances of this
> exact question on these lists but no conclusion.
>
> Regards
>
>
> 0ct 18 01:18:19 localhost postfix/smtp[5221]: 10E4710000361:
> to=<xxx@xxx.com>, relay=none, delay=113596, status=deferred (connect to
> vip.xxx.com[xxx.111.61.145]: server dropped connection without sending
> the initial greeting)
>
> postconf -n:
>
> always_bcc =
> command_directory = /usr/sbin
> config_directory = /etc/postfix
> daemon_directory = /usr/libexec/postfix
> debug_peer_level = 2
> default_destination_concurrency_limit = 100
> default_process_limit = 200
> enable_server_options = yes
> inet_interfaces = all
> luser_relay =
> mail_owner = postfix
> mailbox_transport = cyrus
> mailq_path = /usr/bin/mailq
> manpage_directory = /usr/share/man
> maps_rbl_domains =
> relays.ordb.org,opm.blitzed.org,list.dsbl.org,sbl. spamhaus.org,cbl.abuseat.org,dul.dnsbl.sorbs.net
>
> message_size_limit = 15360000
> minimal_backoff_time = 300s
> mydestination = $myhostname,localhost.$mydomain,smtp.xxx.com
> mydomain_fallback = localhost
> myhostname = smtp.xxx.com
> mynetworks =
> 127.0.0.1/32,10.0.0.0/8,xxxx.111.0.0/16,xxx.249.0.0/16,xxx.30.36.0/24,xxx.168.73.0/24
>
> mynetworks_style = host
> newaliases_path = /usr/bin/newaliases
> queue_directory = /private/var/spool/postfix
> queue_run_delay = 300s
> readme_directory = /usr/share/doc/postfix
> relay_domains = hash:/etc/postfix/relay_domains
> relayhost =
> sample_directory = /usr/share/doc/postfix/examples
> sendmail_path = /usr/sbin/sendmail
> setgid_group = postdrop
> smtp_tls_CAfile = /etc/certificates/x509anchors.pem
> smtp_tls_cert_file = /etc/certificates/smtp.xxx.com.crt
> smtp_tls_cipherlist =
> TLSv1+SSLv3+aRSA+RSA:-LOW:-EXPORT:-eNULL:@STRENGTH
> smtp_tls_key_file = /etc/certificates/smtp.xxx.com.key
> smtp_tls_loglevel = 2
> smtp_use_tls = yes
> smtpd_client_restrictions = permit_mynetworks warn_if_reject
> reject_maps_rbl
> smtpd_delay_reject = yes
> smtpd_enforce_tls = no
> smtpd_helo_required = no
> smtpd_pw_server_security_options = none
> smtpd_recipient_restrictions =
> permit_mynetworks,reject_unauth_destination
> smtpd_sasl_auth_enable = no
> smtpd_tls_CAfile = /etc/certificates/x509anchors.pem
> smtpd_tls_cert_file = /etc/certificates/smtp.xxx.com.crt
> smtpd_tls_cipherlist =
> TLSv1+SSLv3+aRSA+RSA:-LOW:-EXPORT:-eNULL:@STRENGTH
> smtpd_tls_key_file = /etc/certificates/smtp.xxx.com.key
> smtpd_tls_loglevel = 2
> smtpd_tls_received_header = yes
> smtpd_use_pw_server = no
> smtpd_use_tls = yes
> tls_daemon_random_source = dev:/dev/urandom
> tls_random_exchange_name = /etc/postfix/prng_exch
> tls_random_source = dev:/dev/urandom
> transport_maps = hash:/etc/postfix/transport
> unknown_local_recipient_reject_code = 450