Send Email

Send Email

Generate mailer for articles

rails g mailer ArticleMailer

Add action to mailer

nano app/mailers/article_mailer.rb

class ArticleMailer < ApplicationMailer
  def recommend(article, mail_to)
    @article = article
    mail(to: mail_to, subject: 'Article Recommendation')
  end
end

Create the view

nano app/views/article_mailer/recommend.html.erb

<p>Dear friend,</p>
<p>Check this great article: <%= url_for @article %></p>

Add action to mailer preview

nano test/mailers/previews/article_mailer_preview.rb

class ArticleMailerPreview < ActionMailer::Preview
  def recommend
    ArticleMailer.recommend(Article.first, '[email protected]')
  end
end

Change mailer config and restart the server

nano config/application.rb

...
    config.action_mailer.default_url_options = { host: ENV['HOST_NAME'] }
    config.action_mailer.delivery_method = :smtp
    config.action_mailer.smtp_settings = {
      address:              ENV['SMTP_HOST'],
      port:                 ENV['SMTP_PORT'],
      domain:               ENV['HOST_NAME'],
      user_name:            ENV['SMTP_USER'],
      password:             ENV['SMTP_PASS'],
      authentication:       'plain',
      enable_starttls_auto: true
    }
...

rails s

Check if the view is OK

open http://localhost:3000/rails/mailers/article_mailer/recommend

Change mailer config for development to raise errors

nano config/environments/development.rb

...
  # Care if the mailer can't send.
  config.action_mailer.raise_delivery_errors = true
...

Open Rails console and send a message

rails c

ArticleMailer.recommend(Article.first, '[email protected]').deliver_now

Add mailer to Git

git add .
git commit -m "Add mailer to recommend article"

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