Email Configuration-gmail
When you fill in the information, you are prompted that the user name or password is incorrect. This is because many mailboxes require third-party SMTP services to be turned on for security, and a separate password will be assigned to you, so the password you want to fill in here is not your mailbox password.
The following is a tutorial for gmail to enable third-party SMTP service.
1.Gmail mail security settings URL:
https://support.google.com/accounts/answer/185833?hl=en
2. Set the application-specific password:
1) Select Generate & Use the application-specific password.
2) Please click on
3)Jump to Gmail settings.Please click "App passwords".
3. APP passwords settings to generate device-specific passwords.
1) Choose other device, customize device name, here choose DVR model D4108HR-N as an example.
4. After the random generation is completed, click Finish.
3. Gmail mailbox needs to open IMAP/POP3 service.