Visit from Browser

http://192.168.8.8

WiFi Settings
WiFi power maybe not reach AP
Don't forget to enable DHCP
Wireless Client must be enabled!
No TLS Encryption, Add port (Example: smtp.server.com:587)
Do not use Gmail password, create an App Password.
Enable Gmail API and create Web App Credentials with OAuth 2.0 Client IDs.
Make sure Client ID has Authorized redirect URIs http://localhost
Try modern OAuth2.0 Token instead of a password.
Send Email Alerts:
WiFi Availability:
LittleFS Version: 1.0.1
Bootloader Version: 1.0
Firmware Version: 1.0