Yandex.Mail notifier by Alexander Ivantsov

Yandex.Mail notifier is a free alternative to Yandex.Elements which collect analytics about you, change browser appearance and behavior. Instead this extension offers you lots of other different features.

• Manage your emails easily: read, mark as spam or delete just in one click!
• You won't miss any important emai! There are a few different types of notifications which you can tune.
• Use ".com" domain? No problem, you can choose a preferred domain for authorization in the settings.
• There is no need in entering your credentials, just install the extension and it will work.

You can support the extension and the author here - https://www.paypal.me/yandexmailnotifier/5.