Milter-greylist

Howdy all -

I am not a developer, but I imagine this would take quite a bit of work to 
make happen.  I don't know how feasible it is.

I wonder if it would be possible to automatically whitelist someone to whome 
I sent e-mail.  In other words, if there is a recent message from me to 
jowblow@..., when a response comes in from jowblow@... 
milter-greylist would whitelist it and pass it along without delaying it.

Is this something that could be done?

Thomas