outgoing63.ppb.worldline-solutions.com has no MX records.
Question and response
Question
dig outgoing63.ppb.worldline-solutions.com. MX
Answer
The response has no answer records.
Authority
ppb.worldline-solutions.com. 3600 SOA ns1.as8677-dns.net. ao-dom.worldline.com. 1725542514 43200 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0