Initial commit

templates/aliases.j2

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+postmaster: root
+nobody: root
+hostmaster: root
+usenet: root
+news: root
+webmaster: root
+www: root
+ftp: root
+abuse: root
+noc: root
+security: root
+root: {{ vm_user }}
+{{ vm_user }}: {{ external_email_address }}

templates/main.cf.j2

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+biff = no
+append_dot_mydomain = no
+compatibility_level = 2
+myhostname = {{ mail_hostname }}
+alias_maps = hash:/etc/aliases
+alias_database = hash:/etc/aliases
+myorigin = {{ mail_hostname }}
+mydestination = $myhostname, {{ mail_hostname }}, localhost
+relayhost = [{{ relay_host }}]:{{ relay_port }}
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+mailbox_size_limit = 0
+recipient_delimiter = +
+inet_interfaces = localhost
+inet_protocols = all
+
+# enable SASL authentication
+smtp_sasl_auth_enable = yes
+smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
+smtp_sasl_security_options = noanonymous
+smtp_sasl_tls_security_options = noanonymous
+
+# Enable STARTTLS encryption
+smtp_use_tls = yes
+smtp_tls_wrappermode = yes
+smtp_tls_security_level = encrypt
+
+# Setup sender canonical mapping
+sender_canonical_maps = hash:/etc/postfix/sender_canonical

templates/sasl_passwd.j2

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+[{{ relay_host }}]:{{ relay_port }} {{ relay_user }}:{{ relay_password }}

templates/sender_canonical.j2

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+root    root@{{ canonical_name }}
+{{ vm_user }}    {{ vm_user }}@{{ canonical_name }}