To do this, go to the Applicant tab and put a check mark in the box next to each of the applicants you want to send the message out to.
When selecting multiple applicants, a blue bar will appear at the top of the page with options on what to do with the selected candidates. Select the Send Email Invite option to initiate the template selector.
Select the email template, then choose the Send Later Option
Next, choose the Date and Time the message should be sent out and select Schedule.
Note: At this time you can not use the bulk email feature for candidates across separate workflows.