Your port is wrong, use 587
Encryption is wrong, use STARTTLS (not the "if available " one)
Make sure the time is within 3 minutes, make sureLess secure apps is enabled.
Then go into Wifi and select the Common line
And change IP Mode from Dual Stack to IPv4 and save it
For anything you more you would need to do a Wireshark trace, those settings work just fine on the latest firmware