How to send to large database

[cynthia]

Have database of over 9,000 contacts. Tried sending "all at once". Sent 30 and then got message that had exceeded quota. How would it be best to send? Need to send about 1,000 per hour. Please let me know.

 

[stanbusk]

It is explained here: Sending a message through a server with a daily or an hourly delivery limit