Testing GPG4Win 3.0.0-beta187. Using GpgOL 1.4.0 in Outlook 2016
(16.0.6701.1029) 32-bit in a Windows 10 x64 environment.
From within a new email message, opening the GpgOL settings and selecting
"Sign new messages by default" under Message sending, clicking OK to save.
Starting a new message will have both Encrypt and Sign enabled by default.
Performing the same actions except checking "Encrypt new message by default"
and leaving "Sign new messages by default" blank will only enable Encrypt as