bug#19284: 25.0.50; tls.el uses option --insecure

[Lars Magne Ingebrigtsen]

Ted Zlatanov <tzz@lifelogs.com> writes:

> There is a user experience difference between relying on external tools
> implicitly, which tls.el does, and explicitly, which ProxyCommand does.
> Also, tls.el is not granular like ProxyCommand or the `nnimap-stream'
> functionality, it applies to all connectivity. I hope that explains my
> reasoning better.

Yeah.  For the version after this, we should dump tls.el (and
starttls.el) completely.  If somebody wants a way to do TLS proxying, we
should add that as separate functionality, not something that plops out
as a side-effect of using gnutls-cli.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no