On Wed, 26 Sep 2007 17:02:50 +0300

Liviu Daia  wrote:
>     Why should it?  The second copy is sent in a separate run, that's

quoted text
> the whole point.  The only thing the bot has to figure out is how long

> to wait until the second run.  A smart one would send a second copy

> after 10 minutes, and a third one after, say, 35 minutes.

They would also need to use the same from address.  If they randomly

choose from addresses, it wouldn't make any difference how often they

send the spam.
I've seen numerous attempts to deliver the same message (presumably) to

the same recipient but with a different from address for each attempt.
Eric Johnson