diff --git a/defaults/main.cf b/defaults/main.cf
index ff2bd9d..0d81576 100644
--- a/defaults/main.cf
+++ b/defaults/main.cf
@@ -38,7 +38,7 @@ alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
 myorigin = /etc/mailname
 mydestination = $myhostname, <<HOSTNAME>>.scity.us, localhost.scity.us, localhost
-relayhost = 10.10.10.25
+relayhost = smtp.scity.us
 mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
 mailbox_size_limit = 0
 recipient_delimiter = +