Only when there is a change in the camera image will you be notified by e-mail with the image attached.
Even old smartphones can be used effectively.
It is possible to monitor suspicious persons, monitor pet images, and monitor paranormal phenomena while you are away.
Please set the email notification destination by obtaining the gmail email address and its application password.
Please refer here for how to generate an app password ↓
https://breakcontinue.net/post-1303/
The camera image will be notified by e-mail only when there is a change, but the sensitivity of detecting the change can be adjusted.