belong to GetCourse.ru — a SaaS solution for online schools, courses and trainings. The domains are used for sending email notifications and newsletter to students, customers and subscribers.
We use all the necessary tools (SPF, DKIM, FBL, List-Unsubscribe, Double-Opt-In, etc.)
We require our clients to send mailings only to users who confirmed their subscribtion.
Please feel free to contact us if you have any questions.