There isnt much you can really do as to shape incomming traffic, however
you can limit how fast you accept the incomming data. (At least this is
what im used to from my little experience with linux.)
I tried* the following rule, and in theroy it sounds up to the job:
ipfw add pipe 1 tcp from not
Ok, so miss read the question a bit... (Was thinking the bridge was the
mail server too - used to my own hardware shortage :)
But still, I think you'll get it working by swapping 'me' with the ip of
your
mail server. Can also use subnet to allow your own net unlimited access.
There isnt much you