just want to pick the community's brains about employees using third-party accounts for work-related communications. Ie. using outlook.com account to manage their emails.
i'm assuming that the employee is using outlook.com as a consolidator and/or management of emails, but what are the repercussions of this on the information security of the company?
for reference, an outlook.com account will send emails on behalf of the real address as below:
Employee Name <firstname.lastname@example.org>; on behalf of; Employee Name <email@example.com>