diff --git a/etc/alternc/templates/alternc/postfix/postfix-slave.cf b/etc/alternc/templates/alternc/postfix/postfix-slave.cf
index e4c5b274..3afcb183 100644
--- a/etc/alternc/templates/alternc/postfix/postfix-slave.cf
+++ b/etc/alternc/templates/alternc/postfix/postfix-slave.cf
@@ -35,3 +35,6 @@ transport_maps=proxy:mysql:/etc/postfix/myrelay.cf
 relay_domains=proxy:mysql:/etc/postfix/myrelay.cf
 relay_recipients_map=proxy:mysql:/etc/postfix/myvirtual.cf
 smtpd_recipient_restrictions = reject_unlisted_recipient, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unauth_destination, check_policy_service inet:127.0.0.1:60000, reject_rbl_client zen.spamhaus.org
+message_size_limit = 100000000
+mailbox_size_limit = 0
+enable_original_recipient = no
diff --git a/etc/alternc/templates/alternc/postfix/postfix.cf b/etc/alternc/templates/alternc/postfix/postfix.cf
index dd669413..46d8ea72 100644
--- a/etc/alternc/templates/alternc/postfix/postfix.cf
+++ b/etc/alternc/templates/alternc/postfix/postfix.cf
@@ -51,3 +51,6 @@ milter_default_action = accept
 milter_protocol = 6
 smtpd_milters = inet:127.0.0.1:8891
 non_smtpd_milters = inet:127.0.0.1:8891
+message_size_limit = 100000000
+mailbox_size_limit = 0
+enable_original_recipient = no