Is there an error on heroku when sending a password reset request by mailer?

Question

Ruby on Rails

Recently I did password recovery and account confirmation in the project, everything works locally, I intercept messages with the letter_opener gem, and after confirmation it redirects to the main page. But when I posted the project on heroku, when I click on reset password, an error occurs.
Here are the heroku logs:


On it I intercept messages using SENDGRID.
Here is its setup in production:


Well, here is the password recovery controller itself, as a rule, after sending it redirects to the main page, but on heroku it gives an error:

Answer 1

You have error 535 - Authentication Failed and the message says "account disabled" - check if your mail server account is working