mailcow.epages.systems has no MX records.
Question and response
Question
dig mailcow.epages.systems. MX
Answer
The response has no answer records.
Authority
epages.systems. 21600 SOA ns1.iphh.de. hostmaster.iphh.net. 1772026214 28800 7200 1209600 21600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0