The ability to suspend email accounts is not currently offered as a feature when configuring "Feature Lists" in Web Host Manager. I suggest opening a feature request for this via:
That's OK. I never have any luck with the feature request system. Judging from the lack of responses to this thread, I'd say either nobody cares or nobody understands why this is an issue.
I'll just write a Custom Event Handler to handle this.
We did make some changes a few months ago to help address this concern. Here's some additional information about the changes aimed to improve our response to feature requests: