Bug#412914: reportbug: please add support for SSL protected SMTP communication

[Nis Martensen <nis.martensen@web.de>]

Package: reportbug
Version: 7.5.3~deb10u1
Followup-For: Bug #412914

I'd prefer if we could avoid introducing a new configuration variable
for this. How about implicitly always using SSL if the user specifies
port 465?

(NB: This message serves as a test for a patch I am preparing.)