drewdown,
That's exactly right. I you have alert suppression turned on for a rule, then you'll only receive a single notification to your notification group. And the alert in the MOM Console will only show once, with a running total count of how many times it was encountered.
You must resolve the alert in the console, or have an auto-resolve rule setup, to receive further like alerts.
Remember to configure suppression of a rule to match certain criteria, like servername. Or else you will not receive same alerts from different servers and so on...
I hope you find this post helpful,
Jonathan Almquist
Minneapolis, MN