Allow to set "mynetworks" variable in postfix main.cf

core/README.md

@@ -37,6 +37,8 @@ Use the the example config files in `config/example` to get you started.
 
 4. Change the hostname in file `/var/lib/dockermail/settings/myhostname` to the correct fully qualified domain of your server.
 
+5. Set the "mynetworks" variable for postfix in file `/var/lib/dockermail/settings/postfix-networks` to e.g. `127.0.0.0/8 [::1]/128` (one single line only).
+
 5. Build container
 
 		docker build -t dockermail_email_core .

core/boot

@@ -47,6 +47,10 @@ chmod u+w /vmail
 # Add password file
 cp /mail_settings/passwords /etc/dovecot/passwd
 
+# set mynetworks
+sed -i \
+	-e "s#^mynetworks = .*#mynetworks = $(cat /mail_settings/postfix-networks | tr -d '\n')#" \
+	/etc/postfix/main.cf
 
 # Run boot scripts
 for SCRIPT in /boot.d/*

core/config/example/postfix-networks

@@ -0,0 +1 @@
+127.0.0.0/8 [::1]/128