gateway.meis.space has no MX records.
Question and response
Question
dig gateway.meis.space. MX
Answer
The response has no answer records.
Authority
meis.space. 3600 SOA dns.meis.space.meis.space. info.meis.space. 1764007209 180 120 3600000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0