setTimeout infinity is ackshually instant, so... um, don't

lib/tag.js

@@ -2,16 +2,22 @@ module.exports = function(root){ // THIS IS THE UNIVERSAL NOTIFICATION MODULE
 	var to = {}, key = {}, mesh = root.opt.mesh, email = require('./email');
 	if(email.err){ return }
 	mesh.hear['tag'] = function(msg, peer, who){
-		if(who = key[msg.key]){ who.rate = Math.max(msg.rate||1000*60*15, 1000*60); return }
+		if(who = key[msg.key]){
+			if(0 === msg.rate || Infinity == msg.rate){ who.go=0; return }
+			who.rate = Math.max(msg.rate||1000*60*15, 1000*60);
+			return;
+		}
 		if(!msg.src || !msg.email){ return }
 		if(+new Date < peer.emailed + 1000*60*2){ mesh.say({dam:'tag',err:'too fast'},peer); return } // peer can only send notifications > 2min
 		var src; try{ src = new URL(msg.src = msg.src.split(/\s/)[0]); } catch(e){ return } // throws if invalid URL.
 		(who = (to[msg.email] = to[msg.email] || {go:{}})).go[''+src] = 1; // we're keeping in-memory for now, maybe will "stay" to disk in future.
 		peer.emailed = +new Date;
+		if(!who.go){ return }
 		mesh.say({dam:'tag',ok:'queued in-memory'},peer);
 		if(who.batch){ return }
 		key[who.key = Math.random().toString(36).slice(2)] = who;
 		who.batch = setTimeout(function(){
+			if(!who.go){ return }
 			email.send({
 				from: process.env.EMAIL,
 				to: msg.email,