Hi,

>>>>> In <873bdjrn22.fsf@denkblock.local> 
>>>>>	Elias Oltmanns <oltmanns@uni-bonn.de> wrote:
> Since I use multiple email addresses, I added the following to my
> message-send-hook:
>   (setq pgg-default-user-id (message-field-value "From"))

> With EasyPG, however, pgg-default-user-id doesn't seem to have any
> effect at all. On the contrary, it seems that always the first
> private key available in the key ring is chosen.

This is a bug of pgg-epg.el.  I fixed it as follows.