mx1.orangemail.cm has no MX records.
Question and response
Question
dig mx1.orangemail.cm. MX
Answer
The response has no answer records.
Authority
orangemail.cm. 86400 SOA douala0.orange.cm. noc.orange.cm. 2014062401 21600 3600 1814400 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0