You could simply ask in global 'Why can't I vote in towny?' It's not to hard
~ @Marthacuddles
That's not exactly a great thing to rely on, since people aren't always super confident in global, or don't even know the chat system that well, on a new server. I think that this suggestion would be nice if it's easy to implement, but I don't see it as a huge problem either: whenever someone votes it says "go to spawn to redeem votes", so new people would see that and maybe remember to go to spawn to vote.