Are they successfully relaying through your server?  Or just
mass bombing your users?  Have you LARTed AOL and UUNet?
I block off plenty of UUNet dial up blocks and AOL dial up blocks.
MSN uses UUNet dialups too.

Dusty

At 11:24 PM 3/13/00, you wrote:
>Lately we've been getting hit with mail bomb after mailbomb.  They come in
>in small bundles, so limiting incoming message size wouldn't fix the problem
>This morning my normally 5 to 6 meg sys log is now 59megabytes.
>
>We relay for only our internal addresses and those serving our dial up
>equipment.
>
>We have the following settings selected in SMTP Security
>
>Check Valid Sender
>Auto-Deny Possible Hack Attempts
>Disable SMTP VRFY Command
>
>Any other thoughts?  I've blocked the offending IP addresses and they still
>connect, our next step will be blocking them at the router.  Unfortunately
>we can't block UUNet and AOL where the majority of this garbage is being
>relayed through.

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