[Mimedefang] common practice

[Lucas Albers]

> Surely this is only meant for small sites :) We do 3+ million emails a
> day.
> Last thing I want is resend what's probably hundreds of thousands of
> emails. We get emails with large amounts of recipients.
>
> I cant imagine a 300 recipient email exploding into 300 emails :)
>
> Cor

Just for the sake of curiousity, how did you scale your machine(s) to
handle this mind boggling high mail load?

--Luke