Sending e-mail is limited to 200 per hour per domain. This limit is also applied towards mailman. If you send over this amount in any hour, most of the e-mails will bounce back with a undeliverable error. Our servers have a 60 pop check per hour limit per email address. This means you can only check mail no more than 60 times in an hour. If you go over this you're likely to get a wrong password error message saying login incorrect. Ju...