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Old 11-25-2016, 02:44 AM   #1
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Roundcube mail to Gmail mails are take time to delivery

hi friend,

i have installed and configure Roundcube Postfix and dovecot mail server in centos.

i have problem with my mail server, my local of any user to gmail mails are gotting delivery very slow and take time oneday or four hours to 5 hours, time has changing or differ single mail.

i have checking through telnet and port is open or not.. all are fine but it take time...

please help me

please see my postfix main.conf file :

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
default_destination_concurrency_limit = 30
default_process_limit = 30
header_checks = regexp:/etc/postfix/header_checks
header_size_limit = 4096000
home_mailbox = Maildir/
html_directory = no
inet_interfaces = all
inet_protocols = ipv4
mail_owner = postfix
mail_spool_directory = /var/mail local_destination_recipient_limit = 300 local_destination_concurrency_limit = 5
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain, localhost,
mydomain =
myhostname =
mynetworks =,
mynetworks_style = host
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES
recipient_delimiter = +
relay_destination_concurrency_limit = 20
relay_domains =
relayhost =
sample_directory = /usr/share/doc/postfix-2.6.6/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtp_tls_note_starttls_offer = yes
smtp_use_tls = yes
smtpd_banner = $myhostname ESMTP $mail_name
smtpd_error_sleep_time = 0
smtpd_helo_required = yes
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination    reject_invalid_hostname,     reject_non_fqdn_sender,     reject_non_fqdn_recipient,     reject_unknown_sender_domain,     reject_unknown_recipient_domain,     reject_unauth_pipelining,         reject_rbl_client     permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = cyrus
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtpd_tls_auth_only = no
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
tls_random_source = dev:/dev/urandom
unknown_local_recipient_reject_code = 550
virtual_alias_maps = hash:/etc/postfix/virtual
please help me frds...
Old 11-26-2016, 03:57 PM   #2
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Check the timestamps in the Received headers of a test mail to see where the delay is happening.


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