On Fri, 26 Jul 2013, Alex Smith wrote:
"received" is what the recent precedents indicate. (The rules require the message to be "sent via" a public forum, rule 478, and it hasn't gone via the forum until both the sender has sent it, and the recipient has received it. Also I can't construct a circumstance where those events happen out of order.)
What about sending a message publically by sending it to all players individually, as is still allowed? Then the main recipient might receive it before it has finished sending to all players.