CD optimization

[John]

Matt Zimmerman wrote:

>I've changed my email address in our bugzilla a couple of times, and always
>received the email within a few minutes.  Perhaps it was filtered by an
>over-enthusiastic anti-spam measure?  That has been known to happen.
>
>  
>
I use several blacklists; I block but don't drop email.

What email address/hostname should I look for in my postfix log? 
grepping on what I expect reveals nothing.