Milter-greylist

> -----Original Message-----
> > All the major ISP and email providers (such as gmail) use "mail farms"
> > to handle outbound SMTP connexions: mails in the output queue may be
> > processed (and retried) by whichever server in the farm.
> 
> gmail is the only such farm I've encountered to both rotate servers on
> sending attempts AND exceed the number of servers to cause a problem.
> Now that I've been alerted to lazyaw, this is less of an issue (since
> popular sites send mail to/from lots of people, and other "mail farms"
> won't be as extensive as gmail, which I've already whitelisted).
> 
> Scary "fun fact" - gmail lists almost 140,000 IPs in their SPF record.

  2nd "fun fact" - gmail's servers also backscatter, which causes them
to be blacklisted a lot of places.  Just because they're big, and they're
"Google", doesn't mean they should be given a free pass.