This site looks safe

nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttps-3A__nam02.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Fget.vitalsource.com-252Fvitalsource-2Dhelps-26data-3D02-257C01-257CSara.Lehnert-2540blackboard.com-257Cb27ab569981b450beac408d7cf754d92-257Cbf0b29a25e5c4aaaba4dac988df15ea6-257C0-257C0-257C637205975027671603-26sdata-3Dex-252F32xOGUe-252F67ZjqptUYx5R5vqSP3fa3P-252Be7i3gSucE-253D-26reserved-3D0%26d%3DDwMFAg%26c%3DXuwJK26h77xqxpbZGgbjkdqHiCAgI8ShbCmQt4lrFlM%26r%3DQJ_OJcOuPyHZltnY_-LFLCOPbZ5VUI2JgUMyeC4V6Tg%26m%3DpWzkEf70pI-3rXZZpSy9Tg8oyibpi6DcGEtJIaIuZro%26s%3DVDtMWzNg-omqV8neX9jiumkyD4tCC56tGAS-PfXm8xU%26e%3D&data=02%7C01%7CSara.Lehnert%40blackboard.com%7C9ddd7fdae3cb4ed3943a08d7d02db603%7Cbf0b29a25e5c4aaaba4dac988df15ea6%7C0%7C0%7C637206767073160299&sdata=DZv5QoWZtZh6YnhVmKCy2B2fEvgPJxZfmpGx1hsKqIg%3D&reserved=0