[Asrg] Re: False Positives

["Peter A. Friend" <[e-mail]>]

On Wed, 2003-03-05 at 05:49, David F. Skoll wrote:

> Spam does not really cost ISP's anything except bandwidth and storage.
> They don't care (nor should they) if their end-users are less productive;
> that's a worry only for companies.

Not quite:

1. SA fight spammers literally ALL DAY LONG. Null routes sometimes are
the only thing that will shut a spammer up for a while.
2. The bulk of incoming MX hardware is there because of the massive
cycles that merely accepting connections from spammers incurs.
3. Spammers can potentially delay delivery of valid mail my tying up all
MX resources until the server detects them and spanks them, or an SA
detects them and spanks them.
4. Spam takes up a lot of disk space. One may think that disk space is
cheap, and it is. But, depending on what kind of network attached
storage you use, and how you store your mail, having the spam just
sitting on those disks reduces performance for valid mail.
5. Customer complaints
6. Customer churn (I get too much spam at this ISP)
7. Development resources tied up adding new ways to fight spammers
instead of adding new features.
8. Good SAs that sit there and fight spam all day cost a lot of money.

I could probably go on for days... ;-)

Peter
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