diff --git a/ansible/roles/public_dns/files/master.db b/ansible/roles/public_dns/files/master.db
index 65c9724..468c8c6 100644
--- a/ansible/roles/public_dns/files/master.db
+++ b/ansible/roles/public_dns/files/master.db
@@ -21,6 +21,14 @@ $ORIGIN fizz.buzz.
 ns1     IN A     74.80.180.138
 ; ns2     IN A     74.80.180.138
 
+; Allow receiving mail on subdomains
+* 1h IN MX 10 in1-smtp.messagingengine.com
+* 1h IN MX 20 in2-smtp.messagingengine.com
+
+; The A-records for mail.fizz.buzz override the wildcard, so we have to manually re-create the MX records
+mail 1h IN MX 10 in1-smtp.messagingengine.com
+mail 1h IN MX 20 in2-smtp.messagingengine.com
+
 ; Access webmail at mail.fizz.buzz
 mail    IN A     103.168.172.47
         IN A     103.168.172.48