diff --git a/Postfix/main.conf b/Postfix/main.conf
index 5259610..87dad5b 100644
--- a/Postfix/main.conf
+++ b/Postfix/main.conf
@@ -11,7 +11,7 @@ mail_name = Library of Code sp-us | Staff Services
 
 # Relay Settings
 relayhost =
-relay_domains = lists.libraryofcode.org
+relay_domains = lists.libraryofcode.org, hash:/var/tmp/mailman/data/postfix_domains
 
 
 # MDA & Delivery 
@@ -19,7 +19,7 @@ append_dot_mydomain = no
 biff = no
 mailbox_transport = lmtp:unix:private/dovecot-lmtp
 message_size_limit = 1073741824
-transport_maps = hash:/etc/postfix/transport
+transport_maps = hash:/etc/postfix/transport, hash:/var/tmp/mailman/data/postfix_lmtp
 mailbox_size_limit = 0
 recipient_delimiter = +
 
@@ -89,6 +89,7 @@ alias_database = hash:/etc/aliases
 # Virtual Alises
 smtpd_sender_login_maps = hash:/etc/postfix/virtual-mailbox-users
 virtual_alias_maps = hash:/etc/postfix/virtual
+local_recipient_maps = hash:/var/tmp/mailman/data/postfix_lmtp
 
 
 # Network Settings & Milters