1. whois
-- @40000000642b863722417e3c tcpserver: ok 217533 m.qmail.jp:160.16.114.69:25 mta-b213.static.post.point.gmo.jp:150.95.49.213::42634 @40000000642b86372c30957c helo-dns-check: HELO [pnt-fallback02.point.gmo.jp] doesn't match IP [150.95.49.213] @40000000642b86372c309964 helo-dns-check: blocked with: HELO/EHLO command must provide FQDN that match your IP address. @40000000642b86372c352574 tcpserver: end 217533 status 0