App for auto and manual forwarding incoming SMS's to email. In auto mode SMS will be forwarded as soon as it's received. Email is sent directly through SMTP-server - mail.ru, yandex.ru, gmail.com, yahoo.com, hotmail.com. So, for app to work you need to have valid email on one of these servers.
In auto mode if SMS is received when internet is unavailable, app will save a copy of SMS and it will be forwarded as soon as internet is available.
Also, you may made all of these actions in manual mode. When SMS received it won't be forwarded automatically and you will be able to forward it later.
Also, in app you may see all your incoming SMS's on device and choose ones to forward manually.
On some devices like Xiaomi and others you need to manually grant app permission to read incoming SMS's. It can be made through system settings in your device.