Campaign Schedule

Name
Name of the Schedule as a reference
Broadcast needs to be send
Campaign will be send to the selected list(s) contacts
Campaign will be send using the selected sending servers. It's real time rotation if there are more than one sending servers
Send
Either campaign will be send Now (Instant) or Later

If 'Later' then select the date time when you want to send a campaign.
Sending Speed
It will manage the sending speed of the campaign, either Unlimited or Limited.

If 'Limited' enter the No. of emails you want to send hourly.