Limit number of recipients to 10 people
Someday not so soon
This should prevent potential spamming by malicious members.
Alternatively, the people a person can messsage could be limited to those following them.
SixLinks Developers' response:
Good idea, will get implemented.
A lot of people put bumperstickers on their cars. If you're one of them, you're gonna want a SixLinks bumpersticker