Module 4.6 Sens Sensor Readings via email

Q&A Forum › Category: ESP32 › Module 4.6 Sens Sensor Readings via email

Hello Sara ,
After updated umail.py i have another erroe:
Connection successful
(‘192.168.0.32’, ‘255.255.255.0’, ‘192.168.0.254’, ‘192.168.0.254’)
24.56 ºC
0.00 %
978.48 hPa
Traceback (most recent call last):
File “main.py”, line 59, in <module>
File “umail.py”, line 74, in login
AssertionError: auth error 535, [‘5.7.8 Username and Password not accepted. For more information, go to’, ‘5.7.8 https://support.google.com/mail/?p=BadCredentials ffacd0b85a97d-3b76773a0e3sm7781f8f.17 – gsmtp’]
MicroPython v1.25.0 on 2025-04-15; Generic ESP32 module with ESP32
Can you help me Thank you

7 Answers

1 Vote Up Vote Down

Sara Santos Staff answered 1 month ago

Hi.
It seems you didn’t insert the right password for the sender email.
Please take into account, that you need to insert the app password and not the email password. We explain how to create the app password in page 226.

Regards,
Sara

0 Vote Up Vote Down

Jacques Boissieux answered 1 month ago

Hello sara, here is my coe
sender_email = ‘j98850693@gmail.com’
sender_name = ‘ESP32’ #sender name
sender_app_password = “vybx dobh gftr dkol” # generate by google
recipient_email =’jacquesboissieux@gmail.com’
email_subject =’BME280 Sensor Readings’
I dont undestand what happens
some ideas
thanks
Jacques

0 Vote Up Vote Down

Sara Santos Staff answered 1 month ago

Have you tried changing the ” with a ’ ??

0 Vote Up Vote Down

Jacques Boissieux answered 1 month ago

Hello Sara,
Just
App password is 16 digit long, no blank
All is right now
Thanks

0 Vote Up Vote Down

Sara Santos Staff answered 1 month ago

Great.
I’ll mark this issue as resolved. If you need further help, you just need to open a new question in our forum.
Regards,
Sara

0 Vote Up Vote Down

Jacques Boissieux answered 1 month ago

Hello Sara you Can close all m’y questions. All is working fine. I continue with the next lesson.
Congratulations

0 Vote Up Vote Down

Jacques Boissieux answered 1 month ago

Hello Sara you Can close all m’y questions. All is working fine. I continue with the next lesson.
Congratulations