It's 500 recipients per day. That seems adequately high. I mean, if you have a chat with 100 participants, you're limited to sending 5 messages that day, but h

It's 500 recipients per day. That seems adequately high. I mean, if you have a chat with 100 participants, you're limited to sending 5 messages that day, but having such big chat rooms is not really that common, is it? And if you really have that need you can get cheap account at e.g. Fastmail and increase that to 4,000 or 8,000 recipients per day.