[MlMt] Opening .eml files?

[Steven M. Bellovin]

On 4 Nov 2017, at 22:56, Bill Cole wrote:

> On 4 Nov 2017, at 13:54 (-0400), Steven M. Bellovin wrote:
>
>> Hmm -- are browsers special? Firefox knows when it isn't the default 
>> browser.
>
> Yes, in a sense.
>
> The "default browser" is the default handler for URLs starting with 
> http and https. The protocol handler settings are handled by one 
> subsystem, the file extension to default opening app mapping is a 
> different one.
>
> That differentiation is an artifact of (pre-OSX) MacOS having a robust 
> filetype+creator subsystem long before it had any TCP/IP support.

Ah, thanks.


         --Steve Bellovin, https://www.cs.columbia.edu/~smb