Yes, you can schedule your email campaigns thanks to the “Sending date” option in the “Sending’s” tab.
If you select “now”, the sending shall take place in the following minutes.
You can also make an automatic “second sending” within 2 - 4 days in order to improve your opening rate for this same campaign.
This option is considered as a second sending. For your second sending, credits will be used only for the addresses that did not open the mail.
If you haven't got enough credits, the second sending will not take place.