ams.basefarm.net has no MX records.
Question and response
Question
dig ams.basefarm.net. MX
Answer
The response has no answer records.
Authority
ams.basefarm.net. 10 SOA ns01.osl.basefarm.net. support.basefarm.com. 2017169257 86400 3600 2419200 10
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0