You can try Yandex Mail [1]. I haven't used it to tell you more but they have good reputation for their service and you can connect it to your own domain [2] fo

You can try Yandex Mail [1]. I haven't used it to tell you more but they have good reputation for their service and you can connect it to your own domain [2] for free. [1] https://mail.yandex.com https://mail.yandex.com [2] https://domain.yandex.com/ https://domain.yandex.com/