The last error messages I get are these:
Sep 8 13:54:37 jaundiced-outlook postfix/smtp[7998]: warning: problem talking
to service private/scache: Connection timed out
Sep 8 13:54:37 jaundiced-outlook postfix/smtp[20375]: warning: problem talking
to service private/scache: Connection timed out
Sep 8 13:54:37 jaundiced-outlook postfix/smtp[7960]: warning: problem talking
to service private/scache: Connection timed out
Sep 8 13:54:37 jaundiced-outlook postfix/smtp[17618]: warning: problem talking
to service private/scache: Connection timed out
<snip about 600 similar lines about this problem>
Sep 8 14:10:56 jaundiced-outlook postfix/master[11125]: fatal: watchdog timeout
Sep 8 14:10:56 jaundiced-outlook postfix/qmgr[13568]: fatal: watchdog timeout
postconf -n is:
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
html_directory = /usr/share/doc/postfix-2.5.2-documentation/html
inet_interfaces = all
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
max_use = 100000
maximal_backoff_time = 900s
minimal_backoff_time = 600s
mydestination = $myhostname, localhost.$mydomain, localhost
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.5.2-documentation/readme
relay_destination_concurrency_limit = 1000
relay_domains = regexp:/etc/postfix/relay
relay_recipient_maps = regexp:/etc/postfix/relay
relayhost = [redacted-trap]
sample_directory = /usr/share/doc/postfix-2.5.2/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtpd_recipient_restrictions = check_policy_service inet:[127.0.0.1]:2025
check_sender_access
hash:/etc/postfix/sender_access
check_client_access
hash:/etc/postfix/aol_server_rejects
check_client_access
hash:/etc/postfix/dnswl_rejects
check_client_access
hash:/etc/postfix/whitelisted_clients
check_recipient_access
hash:/etc/postfix/recipient_access
reject_invalid_hostname
reject_unknown_hostname
reject_rbl_client cbl.abuseat.org
reject_rbl_client dnsbl.sorbs.net
reject_rbl_client aspews.ext.sorbs.net
reject_unauth_destination
unknown_hostname_reject_code = 550
unknown_local_recipient_reject_code = 550
This is a heavily loaded server. Suggestions on cause(s) and fixes?
Devdas Bhagat
