Does this mean I should cancel my Prius order and go for an Escalade instead?
$ ping facebook.com
PING facebook.com (126.96.36.199): 56 data bytes
64 bytes from 188.8.131.52: icmp_seq=0 ttl=87 time=59.217 ms
64 bytes from 184.108.40.206: icmp_seq=1 ttl=87 time=58.550 ms
64 bytes from 220.127.116.11: icmp_seq=2 ttl=87 time=58.887 ms
--- facebook.com ping statistics ---
Rather than an encryption gateway, having your email client handle encryption avoids the problem of man-in-the-middle attacks between the gateway and the client.
I don't have much reason to encrypt, but Thunderbird has my certificate installed and does my digital signing. This is not unusual for a modern email client.
In seeking the unattainable, simplicity only gets in the way. -- Epigrams in Programming, ACM SIGPLAN Sept. 1982