Yes Eero, it is simple. I succeeded when I follow the installation steps in http://www.pipeline.com.au/staff/mbowe/isp/webmail-server.htm
When I follow the toaster, the bounce message is still
the same size as before.
But I am thinking that the bounce messages are now in SMTP level instead of going into the queue and bounce them back? I don't know.
at SMTP level mail is not attached with reject message. It rejects full message without bounce for example it says XXX mail not allowed 503? if I remember right.
-- Eero