the recent ^From issues.

[Matthias Andree]

On Mon, 27 Jan 2003, Herman Oosthuysen wrote:

> Uhmmm, it is my experience that many ISPs strip the From line from the 
> mail.  Consequently, the first thing my Procmail has to do is rebuild 
> the From line using a call to Formail. So, relying on the From line as a 
> message delimiter is not very robust.

We don't need the From_ lines for classifying mail, because we _know_
that procmail/maildrop feeds one mail at a time. It's only relevant when
training on existing mbox files.