535-5.7.8 Username and Password not accepted

Question

I have a contact form and after submitting I am getting a Net::SMTPAuthenticationError 535-5.7.8 Username and Password not accepted

It\'s pointing to th

Answer 1

First, You need to use a valid Gmail account with your credentials.

Second, In my app I don't use TLS auto, try without this line:

config.action_mailer.smtp_settings = {
  address:              'smtp.gmail.com',
  port:                 587,
  domain:               'gmail.com',
  user_name:            'YOUR_USERNAME@gmail.com',
  password:             'YOUR_PASSWORD',
  authentication:       'plain'
  # enable_starttls_auto: true
  # ^ ^ remove this option ^ ^
}

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UPDATE: (See answer below for details) now you need to enable "less secure apps" on your Google Account

https://myaccount.google.com/lesssecureapps?pli=1