Alright, I took the time to track the second one down. Please take a
look at the patches and try them if you use ifile.

On 2002-11-16, Andreas Fuchs <asf@void.at> wrote:
> * ifile. I have used ifile to classify my spam&ham; does marking an
>   article with M-d also process it as a spam article in ifile?

I still don't know if it does and would very much like a spam.el guru
to testify (-:

> * nnmail-split-methods. Before I had spam.el, I used
[snip]
> IMHO, these should act identical, but they don't. In fact, I get
> errors every time I try to get new mails: "Error in
> `nnmail-split-methods'; using `bogus' mail group". I tracked the error
> down as far as I could, and found out that somewhere down there, an
> apply gets called with only one argument. I didn't dare remove the
> condition-case statement from nnmail.el:1043, for fear of mail loss.
> 
> Is there anything wrong with my configuration or can I make this
> portion of code more debugable? 

No configuration error, see this patch: