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Hedon 11-11-2007 05:47 PM

postfix config & mailclients outside of the server's internal network
Hy there!
I used this tutorial (written by falko) to configure a mail server for one of my friends. Everything works well, till one point. I can't get it to work under any circumstances with a mail client (Thunderbird) from outside the network.

Can you help me please?

I modified mynetworks variable, adding my ip. With telnet I was able to send mails, but the mail client didn't react at all.


# See /usr/share/postfix/ 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

myhostname =

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
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

# SASL parameters
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_client_restrictions = permit
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination
# TLS parameters
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtp_tls_note_starttls_offer = yes
smtp_use_tls = yes
smtpd_use_tls = yes
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_auth_only = no
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
#smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
#smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache

tls_random_source = dev:/dev/random

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

inet_interfaces = all

alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination =,, localhost
relayhost =
mynetworks =
mailbox_size_limit = 0
mailbox_command =
#/usr/bin/procmail -a "$EXTENSION"
#-d "$HOME/Maildir/"
recipient_delimiter = +

home_mailbox = Maildir/

billymayday 11-11-2007 07:04 PM

What's the mail client telling you - is it just a firewall issue or something more complicated?

What do you maillogs tell you?

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