Tip for the filter implementation

[Mikael Hermansson <mikeh bahnhof se>]

I just followed the filter thread and will here give my opinion on it 
:-)

As many already knows fetchmail processes the mail by posing incoming 
mail
to sendmail. sendmail will then process it by using procmail.

Why not let balsa do the same? When the mail arrives, using builtin
POP3/IMAP, post incoming mail to sendmail for processing.

Then we only need to write an config frontend for procmail.

Here is some good reasons for this (IMHO):

1. 99 % of linux/unix systems has already sendmail/procmail installed
2. Procmail will probadly be more stable than writing new code
3. Why should we write new code when its already exist :-)
4. Balsa gets more compatible with old mailreaders using 
sendmail/procmail

Greats

MikeH