Personal message to admin

A College was using this discourse feature ( anonymous emails to a specific category) for posting homeworks/support requests to a specifc category managed by teaching staffs.

Recently they have started getting spam posts to this email id and we have to revoke this feature.

Discourse is adopted in the college with positive feedback. Like I mentioned at the top, they badly need this feature.

This can be achieved by the below feature

I like to know if this feature will be implemented in the near future. Are there any known problems or side effects of this feature ?