On Wed, 30 May 2012 13:00:45 -0400 Kurt Mosiejczuk wrote: > That's also why spamd in greylisting stutters for the first 10 seconds. > Many spammers disconnect now when stuttered at, so they give up before > even starting the greylisting process.
It might be now. I believe the original reason was to tie up more spammers resources than your own.

