Brian.
Just being a bit curious I tried telnet...
1. From Windows 8/64b (IP 87.251.250.110) 2. From my server 44.165.2.2
Got almost the same:
Trying 44.0.0.1... Connected to 44.0.0.1. Escape character is '^]'. 220 gw.ampr.org ESMTP Sendmail 8.15.2/8.15.2; Thu, 13 Jul 2017 09:52:33 -0700 (PDT)
Best regards. Tom - SP2L