diff --git a/.well-known/mta-sts.txt b/.well-known/mta-sts.txt
index 9a3a31a..7abac1d 100644
--- a/.well-known/mta-sts.txt
+++ b/.well-known/mta-sts.txt
@@ -1,5 +1,5 @@
 version: STSv1
 mode: enforce
-mx: mx1.forwardemail.net
-mx: mx2.forwardemail.net
+mx: in1-smtp.messagingengine.com
+mx: in2-smtp.messagingengine.com
 max_age: 1209600