Plesk 12.0.18 u83 on Ubuntu - Incoming Email delayed for hours

[Marc]

Hi,

I have some serious issues with the forementioned Server.

Nearly every incoming Email is delayed from minutes up to 8 hours.

Header-analysis shows that the first smtp contact at the mail server is delayed. This seems not to be greylisting issue.

Example-Headers:



Example logs in /var/log/maillog

May  2 15:26:09 server postgrey[1261]: action=pass, reason=client AWL, client_name=mailout08.t-online.de, client_address=194.25.134.20, sender=[email-protected], recipient=[email-protected]
May  2 15:26:09 server postfix/smtpd[7999]: 48B1D82671: client=mailout08.t-online.de[194.25.134.20]
May  2 15:26:09 server postfix/cleanup[7064]: 48B1D82671: message-id=<1462192240290.2840307.c6bb62dee515515eaa5dd5e20f7764736d7d3d7a@spica.telekom.de>
May  2 15:26:09 server /usr/lib/plesk-9.0/psa-pc-remote[1456]: handlers_stderr: SKIP
May  2 15:26:09 server courier-pop3d: LOGOUT, user=[email-protected], ip=[someip], port=[62751], top=0, retr=0, rcvd=18, sent=96, time=6
May  2 15:26:09 server /usr/lib/plesk-9.0/psa-pc-remote[1456]: SKIP during call 'limit-out' handler
May  2 15:26:09 server /usr/lib/plesk-9.0/psa-pc-remote[1456]: handlers_stderr: SKIP
May  2 15:26:09 server /usr/lib/plesk-9.0/psa-pc-remote[1456]: SKIP during call 'check-quota' handler
May  2 15:26:09 server courier-pop3d: LOGOUT, user=[email-protected], ip=[someip], port=[50448], top=0, retr=0, rcvd=24, sent=2346, time=0
May  2 15:26:09 server qmail-queue[16206]: scan: the message(drweb.tmp.SqHVVw) sent by [email-protected] to [email-protected] is passed
May  2 15:26:09 server /usr/lib/plesk-9.0/psa-pc-remote[1456]: handlers_stderr: PASS
May  2 15:26:09 server /usr/lib/plesk-9.0/psa-pc-remote[1456]: PASS during call 'drweb' handler
May  2 15:26:09 server postfix/qmgr[1783]: 48B1D82671: from=[email-protected], size=2768, nrcpt=1 (queue active)
May  2 15:26:09 server postfix-local[16208]: postfix-local: from=[email-protected], to=[email-protected], dirname=/var/qmail/mailnames
May  2 15:26:09 server postfix/smtpd[7999]: disconnect from mailout08.t-online.de[194.25.134.20]
May  2 15:26:09 server postfix/pipe[5349]: 48B1D82671: to=[email-protected], relay=plesk_virtual, delay=0.34, delays=0.29/0/0/0.04, dsn=2.0.0, status=sent (delivered via plesk_virtual service)
May  2 15:26:09 server postfix/qmgr[1783]: 48B1D82671: removed

Any help is greatly appreciated.

Thanks in advance

Marc

 

[Marc]

Content of /etc/postfix/main.cf

# See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Postfix)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file = /etc/postfix/postfix_default.pem
smtpd_tls_key_file = $smtpd_tls_cert_file
smtpd_tls_CAfile = /etc/ssl/certs/identica-mail.crt
smtpd_use_tls = yes
smtpd_tls_mandatory_protocols = !SSLv2 !SSLv3
smtp_tls_mandatory_protocols = !SSLv2 !SSLv3
smtp_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_protocols = !SSLv2 !SSLv3
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = [somehostname]
alias_maps = hash:/etc/aliases, hash:/var/spool/postfix/plesk/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = localhost.eu-west-1.compute.internal, localhost, localhost.localdomain
relayhost =
mynetworks =
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
virtual_mailbox_domains = $virtual_mailbox_maps, hash:/var/spool/postfix/plesk/virtual_domains
virtual_alias_maps = $virtual_maps, hash:/var/spool/postfix/plesk/virtual
virtual_mailbox_maps = , hash:/var/spool/postfix/plesk/vmailbox
transport_maps = , hash:/var/spool/postfix/plesk/transport
smtpd_tls_security_level = may
smtp_tls_security_level = may
smtp_use_tls = no
smtpd_timeout = 3600s
smtpd_proxy_timeout = 3600s
disable_vrfy_command = yes
smtpd_sender_restrictions = check_sender_access hash:/var/spool/postfix/plesk/blacklists, permit_sasl_authenticated
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated
smtp_send_xforward_command = yes
smtpd_authorized_xforward_hosts = 127.0.0.0/8 [::1]/128
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, check_policy_service inet:127.0.0.1:10023

virtual_mailbox_base = /var/qmail/mailnames
virtual_uid_maps = static:30
virtual_gid_maps = static:31

 

[Marc]

bump