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audiodef
Watchman
Watchman


Joined: 06 Jul 2005
Posts: 6316
Location: /usr/lib64/lv2

PostPosted: Wed Jan 11, 2017 9:11 pm    Post subject: Can't connect to Postfix to send mail [SOLVED] Reply with quote

I recently set up my own mail server. Thunderbird can connect and read IMAP mail, but I can only get as far as "connected to server" when trying to send. It just hangs there until it times out. What am I missing?

Thunderbird outgoing server settings:
Port 465
SSL/TLS
Normal password
Correct user name (user@server.com)

main.cf:
Code:

compatibility_level = 2
soft_bounce = yes
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
mail_owner = postfix
myhostname = (server.domain.com)
myorigin = $myhostname
mydestination = $myhostname, localhost.$mydomain, localhost
unknown_local_recipient_reject_code = 550
debug_peer_level = 2
debugger_command =
    PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
    ddd $daemon_directory/$process_name $process_id & sleep 5
sendmail_path = /usr/sbin/sendmail
newaliases_path = /usr/bin/newaliases
mailq_path = /usr/bin/mailq
setgid_group = postdrop
html_directory = no
manpage_directory = /usr/share/man
sample_directory = /etc/postfix
readme_directory = no
inet_protocols = ipv4
meta_directory = /etc/postfix
shlib_directory = /usr/lib64/postfix/${mail_version}
home_mailbox = .maildir/

#Guide config options
virtual_transport = dovecot
dovecot_destination_recipient_limit = 1
smtpd_sasl_auth_enable = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
virtual_alias_maps = mysql:/etc/postfix/sql_virtual_alias_maps.cf
virtual_mailbox_domains = mysql:/etc/postfix/sql_virtual_domain_maps.cf
virtual_mailbox_maps = mysql:/etc/postfix/sql_virtual_mailbox_maps.cf
smtpd_sender_restrictions = reject_non_fqdn_sender
smtpd_reject_unlisted_sender = yes
smtpd_recipient_restrictions =
   permit_mynetworks
   reject_non_fqdn_recipient
   permit_sasl_authenticated
   reject_unauth_destination
   reject_rbl_client zen.spamhaus.org


master.cf:
Code:

#
# Postfix master process configuration file.  For details on the format
# of the file, see the master(5) manual page (command: "man 5 master" or
# on-line: http://www.postfix.org/master.5.html).
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (no)    (never) (100)
# ==========================================================================
smtp      inet  n       -       n       -       -       smtpd
pickup    unix  n       -       n       60      1       pickup
cleanup   unix  n       -       n       -       0       cleanup
qmgr      unix  n       -       n       300     1       qmgr
#qmgr     unix  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
proxywrite unix -       -       n       -       1       proxymap
smtp      unix  -       -       n       -       -       smtp
relay     unix  -       -       n       -       -       smtp
showq     unix  n       -       n       -       -       showq
error     unix  -       -       n       -       -       error
retry     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

dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=mail:mail argv=/usr/libexec/dovecot/deliver -f ${sender} -d ${recipient}


/var/log/messages has this:
Code:

Jan 11 21:03:25 (servername) postfix/smtpd[18850]: connect from c-(ip-address).hsd1.(state).comcast.net[ip-address]
Jan 11 21:04:04 (servername) postfix/smtpd[18850]: lost connection after CONNECT from c-(ip-address).hsd1.(state).comcast.net[ip-address]

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Last edited by audiodef on Thu Jan 12, 2017 4:38 pm; edited 1 time in total
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bbgermany
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Joined: 21 Feb 2005
Posts: 1792
Location: Oranienburg/Germany

PostPosted: Thu Jan 12, 2017 6:37 am    Post subject: Reply with quote

Hi,

looks like you are missing the section for tls in your main.cf. Check for the following options:
Code:

smtpd_tls_key_file
smtpd_tls_cert_file
smtpd_tls_loglevel
smtpd_tls_received_header
smtpd_tls_session_cache_timeout
smtp_tls_mandatory_ciphers
smtp_tls_security_level
smtpd_tls_security_level
smtpd_tls_auth_only


Additionally you need the following line in your master.cf. Otherwise port 465 is not available:

Code:

smtps     inet  n       -       -       -       -       smtpd


greets, bb
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audiodef
Watchman
Watchman


Joined: 06 Jul 2005
Posts: 6316
Location: /usr/lib64/lv2

PostPosted: Thu Jan 12, 2017 4:35 pm    Post subject: Reply with quote

Thanks, bb.

Once I implemented those lines I was able to send mail from Thunderbird. :)
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