When you schedule a campaign to send now or at a certain time and date you can view this in a list format. You can also view if the campaign fails.
There are peak times and non-peak times when sending an email campaign, our peak times are between 11am and 2pm, If you schedule a campaign to send between these times your list will join a queue to be sent.
Customer Contact - Scheduled Messages
Go to promote - customer contact - scheduled messages:
Once sent you can view this in sent messages, for more information please click here