Linux/Mailserver/Postfix Satellite: Difference between revisions

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Line 26: Line 26:
biff = no
biff = no


# appending .domain is the MUA's job.
append_dot_mydomain = no
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
#delay_warning_time = 4h
readme_directory = no
readme_directory = no


Line 40: Line 36:
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_tls_session_cache_database = btree:${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.


myhostname = localhostname.localdomain
myhostname = localhostname.localdomain
Line 49: Line 42:
alias_database = hash:/etc/aliases
alias_database = hash:/etc/aliases


relayhost = smtp.domain.de
relayhost = [smtp.domain.de]:submission
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
mailbox_size_limit = 0
Line 65: Line 58:
smtp_sasl_auth_enable = yes
smtp_sasl_auth_enable = yes
smtp_sasl_security_options = noanonymous noplaintext
smtp_sasl_security_options = noanonymous noplaintext
smtp_sasl_tls_security_options = noanonymous noplaintext
smtp_sasl_tls_security_options = noanonymous
smtp_sasl_password_maps = hash:/etc/postfix/sasl_password
smtp_sasl_password_maps = hash:/etc/postfix/sasl_password
</pre>
</pre>
Line 86: Line 79:
<blockquote>
<blockquote>
<pre>
<pre>
root server@domain.de
root         server@domain.de
postmaster server@domain.de
postmaster   root
webmaster server@domain.de
webmaster   root
user user@domain.de
user         user@domain.de
</pre>
</pre>
</blockquote>
</blockquote>
Line 97: Line 90:
<blockquote>
<blockquote>
<pre>
<pre>
root hostname@domain.de
root         hostname@domain.de
postmaster hostname@domain.de
postmaster   root
webmaster hostname@domain.de
webmaster   root
user hostname@domain.de
user         root
</pre>
</pre>
</blockquote>
</blockquote>
Line 107: Line 100:
<blockquote>
<blockquote>
<pre>
<pre>
smtp.domain.de username:password
[smtp.domain.de]:submission      username:password
</pre>
</pre>
</blockquote>
</blockquote>
Line 122: Line 115:
</pre>
</pre>
</blockquote>
</blockquote>
== quick test ==
<pre>
echo Emailtext | mail -s "Subject" user@domain.de
</pre>


== Restart ==
== Restart ==

Latest revision as of 16:50, 17 May 2017

Installation

  • install postfix
apt-get install postfix
  • postfix configuration (automatic during installation or "dpkg-reconfigure postfix")
    • "Satellite System"
    • System-Email-Name: "domain.de"
    • SMTP-Relay-Server: "smtp.domain.de"

Configuration

  • /etc/mailname
localhostname.localdomain
  • /etc/postfix/main.cf
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

append_dot_mydomain = no
#delay_warning_time = 4h
readme_directory = no

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

myhostname = localhostname.localdomain
mydomain = localdomain
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases

relayhost = [smtp.domain.de]:submission
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = loopback-only
inet_protocols = all

recipient_canonical_maps = hash:/etc/postfix/canonical_recipients
sender_canonical_maps = hash:/etc/postfix/canonical_senders

smtp_tls_note_starttls_offer = yes
smtp_tls_security_level = encrypt
smtp_tls_mandatory_ciphers = high

smtp_sasl_auth_enable = yes
smtp_sasl_security_options = noanonymous noplaintext
smtp_sasl_tls_security_options = noanonymous
smtp_sasl_password_maps = hash:/etc/postfix/sasl_password
  • create files
touch /etc/postfix/canonical_recipients
touch /etc/postfix/canonical_senders
touch /etc/postfix/sasl_password
chmod 600 /etc/postfix/sasl_password
touch /etc/postfix/reload.sh
chmod 744 /etc/postfix/reload.sh


  • /etc/postfix/canonical_recipients
root         server@domain.de
postmaster   root
webmaster    root
user         user@domain.de


  • /etc/postfix/canonical_senders
root         hostname@domain.de
postmaster   root
webmaster    root
user         root
  • /etc/postfix/sasl_password
[smtp.domain.de]:submission      username:password
  • /etc/postfix/reload.sh
#!/bin/bash
newaliases
postmap /etc/postfix/canonical_recipients
postmap /etc/postfix/canonical_senders
postmap hash:/etc/postfix/sasl_password 
/etc/init.d/postfix restart


quick test

echo Emailtext | mail -s "Subject" user@domain.de


Restart

  • reload maps
postmap /etc/postfix/canonical_recipients
postmap /etc/postfix/canonical_senders
postmap hash:/etc/postfix/sasl_password 
  • restart address mapping
/etc/init.d/postfix restart