sa-learn and max. message size

[IT Systems Chemnitz]

Hi there,

I'm looking for an option to limit the file size, sa-learn is learning 
from. I don't use spamd, so I cannot use spamc. When learning with 
sa-learn, it accepts a file or a dir as source. The problem is, when 
there is a message with a size about 3 or 4 MB, the bayes_toks DB grows 
and grows and grows sometimes 10 or 20 MB, so older tokens are lost by 
expire. Where can I tell sa-learn, that if a file or a file in a dir is 
greater than x MB, that this file is passed without learning?

Greetz, Nico