The addon: sendgrid in heroku have some issues

[jun-jing]

I am at chapter 11 of the whole book, the local part is okay, but when moving to the production site, when adding on the SendGrid to the production, things happened below:

2021-05-31T03:31:15.411568+00:00 app[web.1]: <h1>Sample App</h1>
2021-05-31T03:31:15.411569+00:00 app[web.1]: <p>Hi jessezhang,</p>
2021-05-31T03:31:15.411569+00:00 app[web.1]: <p>
2021-05-31T03:31:15.411569+00:00 app[web.1]: Welcome to the Sample App! Click on the link below to activate your account:
2021-05-31T03:31:15.411570+00:00 app[web.1]: </p>
2021-05-31T03:31:15.411570+00:00 app[web.1]: <a href="https://peaceful-lake-58934.herokuapp.com/account_activations/tYhSpsIOZoizx1tW4W7Kfg/edit?email=jessejunjing2%40163.com">Activate</a>
2021-05-31T03:31:15.411571+00:00 app[web.1]: </body>
2021-05-31T03:31:15.411571+00:00 app[web.1]: </html>
2021-05-31T03:31:15.411571+00:00 app[web.1]: 
2021-05-31T03:31:15.411572+00:00 app[web.1]: ----==_mimepart_60b4588357a2f_92b1eb836e578698e8--
2021-05-31T03:31:15.411572+00:00 app[web.1]: 
2021-05-31T03:31:15.412252+00:00 app[web.1]: I, [2021-05-31T03:31:15.412183 #9]  INFO -- : [6e653373-0a7f-4b22-80e6-fd1e0405431e] Completed 500 Internal Server Error in 982ms (ActiveRecord: 31.5ms | Allocations: 6501)
2021-05-31T03:31:15.413372+00:00 app[web.1]: F, [2021-05-31T03:31:15.413300 #9] FATAL -- : [6e653373-0a7f-4b22-80e6-fd1e0405431e]
2021-05-31T03:31:15.413373+00:00 app[web.1]: [6e653373-0a7f-4b22-80e6-fd1e0405431e] Net::SMTPAuthenticationError (535 Authentication failed: account disabled
2021-05-31T03:31:15.413374+00:00 app[web.1]: ):
2021-05-31T03:31:15.413374+00:00 app[web.1]: [6e653373-0a7f-4b22-80e6-fd1e0405431e]
2021-05-31T03:31:15.413374+00:00 app[web.1]: [6e653373-0a7f-4b22-80e6-fd1e0405431e] app/models/user.rb:68:in `send_activation_email'
2021-05-31T03:31:15.413375+00:00 app[web.1]: [6e653373-0a7f-4b22-80e6-fd1e0405431e] app/controllers/users_controller.rb:30:in `create'
2021-05-31T03:31:15.415104+00:00 heroku[router]: at=info method=POST path="/users" host=peaceful-lake-58934.herokuapp.com request_id=6e653373-0a7f-4b22-80e6-fd1e0405431e fwd="47.241.19.216" dyno=web.1 connect=1ms service=990ms status=500 bytes=1891 protocol=https

I double-checked the code in my production.rb file, I think they are fine:

  config.action_mailer.raise_delivery_errors = true
  config.action_mailer.delivery_method = :smtp
  host = 'peaceful-lake-58934.herokuapp.com' # Don't use this literally; use your local dev host instead
  config.action_mailer.default_url_options = { host: host, protocol: 'https' }
  ActionMailer::Base.smtp_settings = {
    address: 'smtp.sendgrid.net',
    port: '587',
    authentication: :plain,
    user_name: ENV['SENDGRID_USERNAME'],
    password: ENV['SENDGRID_PASSWORD'],
    domain: 'heroku.com',
    enable_starttls_auto: true
  }

And I also checked several StackOverflow Q&As, it looks like the SendGrid add-on on Heroku is becoming hard to use recently(from when I am not sure). I then try to sign up by my own email on SendGrid, it is also failed, the SendGrid login page keeps telling me that I am not authorized and I should call the support(some advice like that).
Anyway, I guess I should let you(the author) know the situation.
Or is my assumption is wrong, or there are some fault steps in my code when learning your materials, I am not sure.
Anyway, I will keep learning this material and just ignore this part now.

Thanks again for the brilliant ruby on rails tutorial materials.

[mhartl]

Thanks for the heads-up. There have been some ongoing issues with SendGrid, but I believe they have been resolved in the latest edition of the book. See the blog post Sending Email with Rails for the details, including an important reference to SendGrid’s Single Sender Verification page. The latest version of Section 11.4: Email in production includes the steps for how to set that up.

If you continue to have trouble, please file a customer support ticket with SendGrid and send me the ticket number. I can then alert SendGrid about the ticket on your behalf.

[jun-jing]

Hi Michael: Thank you so much for the reply. I will check the link you mentioned here first, to confirm whether it's my misoperation. Anyway, really appreciat for the links of how to deal with the problem. Best regards Jesse ***@***.*** From: Michael Hartl Date: 2021-06-01 01:58 To: mhartl/sample_app_6th_ed CC: Tewbooathtb; Author Subject: Re: [mhartl/sample_app_6th_ed] The addon: sendgrid in heroku have some issues (#36) Thanks for the heads-up. There have been some ongoing issues with SendGrid, but I believe they have been resolved in the latest edition of the book. See the blog post Sending Email with Rails for the details, including an important reference to SendGrid’s Single Sender Verification page. The latest version of Section 11.4: Email in production includes the steps for how to set that up. If you continue to have trouble, please file a customer support ticket with SendGrid and send me the ticket number. I can then alert SendGrid about the ticket on your behalf. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub, or unsubscribe.

[jun-jing]

Hi Michael! After contact with sendgrid, I finally activated my sendgrid account, now I can use the mail service on Sendgrid. Anyway just wanna say thanks again here. Best regards. Jesse ***@***.*** From: Michael Hartl Date: 2021-06-01 01:58 To: mhartl/sample_app_6th_ed CC: Tewbooathtb; Author Subject: Re: [mhartl/sample_app_6th_ed] The addon: sendgrid in heroku have some issues (#36) Thanks for the heads-up. There have been some ongoing issues with SendGrid, but I believe they have been resolved in the latest edition of the book. See the blog post Sending Email with Rails for the details, including an important reference to SendGrid’s Single Sender Verification page. The latest version of Section 11.4: Email in production includes the steps for how to set that up. If you continue to have trouble, please file a customer support ticket with SendGrid and send me the ticket number. I can then alert SendGrid about the ticket on your behalf. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub, or unsubscribe.