On Sun, May 08, 2022 at 07:37:52PM -0400, Richard Stallman wrote:
> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]
> 
>   > My solution, which has been working just fine for a year now, is to use
>   > davmail [1] to be in the middle between gnus and the Exchange server.
>   > It was easy to install and doesn't get in the way.
> 
> This raises a few questions:
> 
> 1. What kind of thing is devmail?  Is it a program?  Is it a service?

It's called "davmail". Microsoft offers access to its mailboxes as
a WEBDAV interface. davmail seems to be an interface program to that.

It also can do, as far as I can see,  the other mailbox protocols
(POP, IMAP...) and perhaps more.

> 2. If it is a program, is it entirely free/libre code?
> What operating systems can it run on?

According to [1], it is GPL (probably v2).

No idea about the other two.

Cheers

[1] https://en.wikipedia.org/wiki/Comparison_of_CalDAV_and_CardDAV_implementations
-- 
t