My bad, misconfigured my mua, shouldn't happen again :) 

Josselin Poiret <dev@jpoiret.xyz> writes:

> Hi Morgan,
>
> Note that, because every new patchset is built by QA to check if they
> work, this icedove version is available from the bordeaux substitutes
> server.  You can test it without building it, either directly with a
> local check-out or using `guix time-machine/pull
> - --url=https://git.guix-patches.cbaines.net/git/guix-patches
> - --with-branch=issue-61438`.
>
> Best,
> - -- 
> Josselin Poiret