[MERGE][1.3] Make send work again with the default mail client

[Aaron Bentley]

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James Westby wrote:
> Hi,
> 
> I think it is important for this fix to get in to the 1.3 release as it
> is a regression.
> 
> The test I settled on is ugly and not very satisfactory.

Well, I've despaired of testing large portions of this functionality, so
even an ugly test is an improvement.  Thanks.

bb:approve

I'll merge.

Aaron
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