diff --git a/tasks/main.yml b/tasks/main.yml
index 13edd64..010fb10 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -4,6 +4,11 @@
   apt:
     pkg: postfix
 
+- name: main configuration
+  template:
+    src: main.cf.j2
+    dest: /etc/postfix/main.cf
+
 - include: postfixadmin.yml
 
 - name: configuration pull directory
diff --git a/templates/main.cf.j2 b/templates/main.cf.j2
new file mode 100644
index 0000000..7a9cd9e
--- /dev/null
+++ b/templates/main.cf.j2
@@ -0,0 +1,44 @@
+# See /usr/share/postfix/main.cf.dist 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
+
+smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
+biff = no
+
+# appending .domain is the MUA's job.
+append_dot_mydomain = no
+
+# Uncomment the next line to generate "delayed mail" warnings
+#delay_warning_time = 4h
+
+readme_directory = no
+
+# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
+# fresh installs.
+compatibility_level = 2
+
+# TLS parameters
+smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
+smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
+smtpd_use_tls=yes
+smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
+smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
+
+# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
+# information on enabling SSL in the smtp client.
+
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
+myhostname = tg-infra-dev-mail-1
+alias_maps = hash:/etc/aliases
+alias_database = hash:/etc/aliases
+mydestination = $myhostname, tg-infra-dev-mail-1, localhost.localdomain, , localhost
+relayhost =
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+mailbox_size_limit = 0
+recipient_delimiter = +
+inet_interfaces = all
+inet_protocols = all