Sendgrid for an email feature within Ruby on Rails app

Question

I would like to use Sendgrid to manage outgoing emails from a 3.2.2 version rails app I am developing with the help of a friend. She has email working from within the app using gmail, on her local/dev build. I need sendgrid up and running.

I cannot even get it to work locally.

From my development.rb file

config.action_mailer.default_url_options = { :host => 'localhost:3030' }
  
  config.action_mailer.smtp_settings = {
    :user_name      => ENV['EMAIL_USERNAME'],
    :password       => ENV['EMAIL_PASSWORD'],
    :domain         => 'myapplicationdomain.com',
    :address        => 'smtp.sendgrid.net',
    :port           => 587,
    :authentication => 'plain',
    :enable_starttls_auto => true
  }
  config.action_mailer.delivery_method = :smtp

Then I have a variable file in the root of my application that includes the following:

export EMAIL_USERNAME=sendgridusername
export EMAIL_PASSWORD=sendgridpassword
export [email protected]

Here is the code from my mailer

class StatusMailer < ActionMailer::Base
  default from: "[email protected]"
  def status_report(report)
      @greeting = "Hello"
      @report = report
      if ENV['MAIL_TO']
        email = ENV['MAIL_TO'] if ENV['MAIL_TO']
      else
        email = @report.user.email
      end
      @statuses = @report.statuses
      @reviewers = @report.user.reviewers
      bcc = []
      @reviewers.each do |reviewer|
        bcc.append(reviewer.email)
      end
      @bcc = bcc
      mail(to: email, bcc: bcc, subject: 'Status Report')
  end
end

Am I missing some other setting? What about the MAIL_TO field in the variable, I am not certain what that should be set to, or if it even needs to be declared.

Is there another file that I should be editing? I had this working several days ago, but functionality somehow slipped away :0

Rails server says that emails were sent, but sendgrid has no record; nor are the emails being received by addresses on the distribution list.

Thank you in advance for any assistance.

Jordan Allan · Accepted Answer · 2015-01-31 16:13:36Z

0

Do you have the following settings in your config/environments/development.rb?

config.action_mailer.raise_delivery_errors = true
config.action_mailer.perform_deliveries = true

If not, add them to your config file and restart your server.

Update:

This error suggests that you're not authenticated. Are you sure the values of your ENV['EMAIL_USERNAME'] and ENV['EMAIL_PASSWORD'] variables are present/correct?

edited Jan 31, 2015 at 16:13

answered Jan 30, 2015 at 23:00

Jordan Allan

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4 Comments

Eric M. Seitz Over a year ago

Very helpful. Neither setting was there and I now have an error to deal with. Thank you! Net::SMTPFatalError in StatusesController#cast 550 Cannot receive from specified address <[email protected]>: Unauthenticated senders not allowed Rails.root: /vagrant/src/statuscaster2 Application Trace | Framework Trace | Full Trace app/models/report.rb:10:in email_report' app/controllers/statuses_controller.rb:120:in cast'

Eric M. Seitz Over a year ago

I think the problem is with this: export [email protected]. I am uncertain what email address should be used there, and why?

Jordan Allan Over a year ago

Were you able to properly authenticate?

Eric M. Seitz Over a year ago

Yes I was. This post got me there: stackoverflow.com/questions/8782274/…. Thank you so much for the help. Using the environments file for mail settings was the key.

Community · Accepted Answer · 2017-05-23 12:12:40Z

0

This post: Sendgrid / email sending issues in Ruby on Rails (hosted on Heroku)

Got me up and running. The key being putting the SMTP and sendgrid information in the environment.rb file.

I can't explain exactly why that made the difference, but it did.

edited May 23, 2017 at 12:12

CommunityBot

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answered Feb 11, 2015 at 17:27

Eric M. Seitz

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