Re: send-email issue

> Jeff King <peff@peff.net> writes:
>
>> This is certainly unfortunate, but IMHO is not a hard requirement for
>> adding new values. This is no different than a case where we add a new
>> config option, but old versions of Git quietly ignore it.
>>
>> In other words, I would suggest to tighten this as the values are added,
>> but not worry about having a "spreading" period.
>
> I would have agreed with you even in April if this knob were not
> about security.  Thinking that the user is asking for an encrypted
> connection and silently getting an unencrypted connection is not
> such a good thing, and advertising "we now improved the distinction
> between smtps and starttls easier to express" to users would not
> work well in that context.