Author Topic: :25: Connection timed out  (Read 1009 times)

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:25: Connection timed out
« on: November 22, 2016, 11:45:10 PM »
No email is leaving my postfix.

DataCenter said that port 25 is blocked, maybe that's it.
If this problem, how to configure the postfix to send use another port? Or some other alternative.


-------------------
main.cf
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
debug_peer_level = 2
delay_warning_time = 4
disable_vrfy_command = yes
html_directory = no
inet_interfaces = all
mail_owner = postfix
mailbox_size_limit = 2048000000
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
message_size_limit = 204800000
milter_default_action = accept
milter_protocol = 2
mydestination = $myhostname, localhost.$mydomain, localhost
mydomain = rbr01.uniguiasbr1.net.br
myhostname = rbr01.uniguiasbr1.net.br
mynetworks = $config_directory/mynetworks
newaliases_path = /usr/bin/newaliases.postfix
non_smtpd_milters = $smtpd_milters
queue_directory = /var/spool/postfix
recipient_bcc_maps = proxy:mysql:/etc/postfix/mysql-virtual_vacation.cf
recipient_delimiter = +
relay_domains = proxy:mysql:/etc/postfix/mysql-relay_domains_maps.cf
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt
smtp_tls_session_cache_database = btree:$data_directory/smtp_tls_session_cache
smtp_use_tls = yes
smtpd_client_restrictions = reject_unknown_client
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_helo_required = yes
smtpd_helo_restrictions =
smtpd_milters = inet:127.0.0.1:8891
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_recipient_domain,check_policy_service unix:private/spfpolicy
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_sender_restrictions =
smtpd_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt
smtpd_tls_cert_file = /etc/pki/tls/certs/rbr01.uniguiasbr1.net.br.crt
smtpd_tls_key_file = /etc/pki/tls/private/rbr01.uniguiasbr1.net.br.key
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_security_level = may
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
soft_bounce = yes
tls_random_source = dev:/dev/urandom
transport_maps = hash:/etc/postfix/transport
unknown_local_recipient_reject_code = 550
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_alias_maps.cf, regexp:/etc/postfix/virtual_regexp
virtual_gid_maps = static:12
virtual_mailbox_base = /var/vmail
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains_maps.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailbox_maps.cf
virtual_minimum_uid = 101
virtual_transport = dovecot
virtual_uid_maps = static:101




master.cf
#
# Postfix master process configuration file.  For details on the format
# of the file, see the Postfix master(5) manual page.
#
# ***** Unused items removed *****
# ==========================================================================
# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (yes)   (never) (100)
# ==========================================================================
smtp      inet  n       -       n       -       -       smtpd
#  -o content_filter=smtp-amavis:127.0.0.1:10024
#  -o receive_override_options=no_address_mappings
#
## Enable SMTP on port 587 only for authenticated/TLS clients
submission inet n       -       n       -       -       smtpd
  -o smtpd_enforce_tls=yes
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
#
## Enable SMTP on port 465 only for authenticated/SSL clients
smtps     inet  n       -       n       -       -       smtpd
  -o smtpd_tls_wrappermode=yes
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
#
pickup    fifo  n       -       n       60      1       pickup
  -o content_filter=
  -o receive_override_options=no_header_body_checks
cleanup   unix  n       -       n       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
#qmgr     fifo  n       -       n       300     1       oqmgr
tlsmgr    unix  -       -       n       1000?   1       tlsmgr
rewrite   unix  -       -       n       -       -       trivial-rewrite
bounce    unix  -       -       n       -       0       bounce
defer     unix  -       -       n       -       0       bounce
trace     unix  -       -       n       -       0       bounce
verify    unix  -       -       n       -       1       verify
flush     unix  n       -       n       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
smtp      unix  -       -       n       -       -       smtp
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
relay     unix  -       -       n       -       -       smtp
        -o fallback_relay=
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq     unix  n       -       n       -       -       showq
error     unix  -       -       n       -       -       error
discard   unix  -       -       n       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       n       -       -       lmtp
anvil     unix  -       -       n       -       1       anvil
scache    unix  -       -       n       -       1       scache
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
# ====================================================================
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
#
# spam/virus section
#
smtp-amavis  unix  -    -       y       -       2       smtp
  -o smtp_data_done_timeout=1200
  -o disable_dns_lookups=yes
  -o smtp_send_xforward_command=yes
127.0.0.1:10025 inet n  -       y       -       -       smtpd
  -o content_filter=
  -o smtpd_helo_restrictions=
  -o smtpd_sender_restrictions=
  -o smtpd_recipient_restrictions=permit_mynetworks,reject
  -o mynetworks=127.0.0.0/8
  -o smtpd_error_sleep_time=0
  -o smtpd_soft_error_limit=1001
  -o smtpd_hard_error_limit=1000
  -o receive_override_options=no_header_body_checks
  -o smtpd_bind_address=127.0.0.1
  -o smtpd_helo_required=no
  -o smtpd_client_restrictions=
  -o smtpd_restriction_classes=
  -o disable_vrfy_command=no
  -o strict_rfc821_envelopes=yes
#
# Dovecot LDA
dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail:mail argv=/usr/libexec/dovecot/deliver -d ${recipient}
#
# Vacation mail
vacation    unix  -       n       n       -       -       pipe
  flags=Rq user=vacation argv=/usr/local/cwp/php54/bin/php -q /var/spool/vacation/vacation.php ${sender} ${recipient}
# SPF check
spfpolicy unix   -   n   n   -   -   spawn
 user=nobody argv=/usr/bin/python /usr/libexec/postfix/policyd-spf

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Re: :25: Connection timed out
« Reply #1 on: November 23, 2016, 06:31:43 AM »
yes if port 25 is blocked for outgoing then no mail will leave, you can change the port to one thats open and reload postfix , that may work

$postfix reload (after changes are made)