Dkimproxy uses an Apache-style "preforking" model to handle simultaneous incoming requests. In other words, it keeps a number of child processes around, ready to handle messages, at all time.
Some would like to customize this behavior. On servers without much load, they'd like to reduce the number of processes. On servers with a lot of load, they'd like to increase the number of processes.
Dkimproxy.in and Dkimproxy.out recognize several command-line arguments that control this behavior. However, they are documented at a different place-- the Net::Server::PreFork man page.
So run `man Net::Server::PreFork', then look for the section titled Command Line Arguments. You'll find, for instance, you can increase the number of servers by doing:
Or to reduce the number of initial servers:
Note- version 0.16 or better of dkimproxy is required for this to work.