outbound5.sapjam.com has no MX records.
Question and response
Question
dig outbound5.sapjam.com. MX
Answer
The response has no answer records.
Authority
sapjam.com. 600 SOA ns1.sap.net. dns.sap-ag.de. 1770814301 43200 1800 1814400 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0