The Roster lists all the students associated with the course section together with some basic enrollment information (credits/hours, attendance, etc.).
Use the Actions button to email your students or export them to a spreadsheet or print a PDF.
Click Actions and select what you'd like to do:
You can select specific students from the Roster and Email or Export those you've selected. Here are a couple ways to select different groups of students:
Emailing all students in one course or section
You have a few options for emailing all the students in one of your sections or courses.
On the course Dashboard tab, click Email this section to email all enrolled, incomplete, and auditing students in this section of the course.
https://support.populiweb.com/hc/en-us/articles/223798327-How-do-I-email-my-students-
Selected Students on a Roster
On the course Roster, click Actions and select from your options:
https://support.populiweb.com/hc/en-us/articles/223798327-How-do-I-email-my-students-
Emailing any individual student
To email an individual student:
You can do this for any of your current students. However, if a student is not enrolled in or auditing one of your courses, you can only email him if his email address is set to Public.
https://support.populiweb.com/hc/en-us/articles/223798327-How-do-I-email-my-students-