vps27533.dreamhostps.com has no MX records.
Question and response
Question
dig vps27533.dreamhostps.com. MX
Answer
The response has no answer records.
Authority
dreamhostps.com. 300 SOA ns1.dreamhost.com. hostmaster.dreamhost.com. 2026022718 1998 1800 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0