@otrs.openstreetmap.com::a.mx.openstreetmap.com:10
@messages.openstreetmap.com::a.mx.openstreetmap.com:10
-3:a.mx.openstreetmap.com:200141c800100996021d7dfffec3df70
+3a.mx.openstreetmap.com:200141c800100996021d7dfffec3df70
# Publish an SPF record indicating that only shenron sends mail