diff --git a/install/email-configs-one/main.cf b/install/email-configs-one/main.cf
index 32fe71b45..1893b5c17 100644
--- a/install/email-configs-one/main.cf
+++ b/install/email-configs-one/main.cf
@@ -18,7 +18,7 @@ daemon_directory = /usr/libexec/postfix
 data_directory = /var/lib/postfix
 mail_owner = postfix
 inet_protocols = all
-mydestination = localhost, localhost.localdomain
+mydestination = localhost, localhost.localdomain, [::1]
 unknown_local_recipient_reject_code = 550
 alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
@@ -38,7 +38,7 @@ readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES
 
 
 myhostname = server.example.com
-mynetworks = 127.0.0.0/8
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
 message_size_limit = 30720000
 virtual_alias_domains = 
 virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf
diff --git a/install/email-configs/main.cf b/install/email-configs/main.cf
index 3abf4a0d7..86c305722 100644
--- a/install/email-configs/main.cf
+++ b/install/email-configs/main.cf
@@ -18,7 +18,7 @@ daemon_directory = /usr/libexec/postfix
 data_directory = /var/lib/postfix
 mail_owner = postfix
 inet_protocols = all
-mydestination = localhost, localhost.localdomain
+mydestination = localhost, localhost.localdomain, [::1]
 unknown_local_recipient_reject_code = 550
 alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
@@ -38,7 +38,7 @@ readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES
 
 
 myhostname = server.example.com
-mynetworks = 127.0.0.0/8
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
 message_size_limit = 30720000
 virtual_alias_domains = 
 virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf