Dohohohoho!- Chain death should now function correctly for Neutral players.
Well thank you, didn't knew it was broken. Or at least afaik it sent you to Omni 1.
About sending mail, I know it's pretty harsh deletion rules. Maybe moving the items in reclaim might be nice.
About abusing mailboxes, we'll see about that if a few bans for harassement are issued.
In this current form it's pretty great already.