This mod allows you to send messages to players, privately. Except, all of your messages are logged by the server. So, maybe not so private?
Features:
-Bubble pop sound when you receive a message (only you can hear it!)
-Cooldown between messages that you can change
-PM bans/unbans (are not persistent, as in, if someone rejoins, they will be unbanned from PM's)
-Various checks to prevent errors
-Almost everything is logged
Commands:
/PM targetname message
/pmban targetname
/unpmban targetname
/PMcooldown customtime
Enjoy!
I have fixed the issue where you can change the color of the PM and other stuff.
Download