We do not allow mass emailing from our server/network even if you are a CAN-SPAM compliant.
However you are allowed to send newsletter if you are sending for your own company subscribers. (Example: If you are abc.com with 2000 newsletter subscribers)
You are allowed to send mass email to your 2000 newsletter subscribers, If we see any email that offers things such as "viagra" or "get rich quick scheme" or other obvious spam related mass emails, we will shut down your server, Without any refund.