Sending email from Rails application
It took me a while to configure sending email from Rails application. I went through many different tutorials, blogs, StackOverflow posts etc. Step, by step I found working configuration.
To send emails I use ActionMailer. First you need to generate mailer:
rails generate mailer UserMailer
It will create UserMailer class in app/mailers directory. In this class we need to define our method for sending emails:
class UserMailer < ActionMailer::Base default from: "[email protected]" def send_email(user_email, content) @user_email = user_email @content = content mail(to: "[email protected]", subject: "Email from mysite.com") end end
Then in the directory app/views/user_mailer we need to create template for our email: send_email.html.erb (this name must match the name of action created in UserMailer class):
<!DOCTYPE html>
<html>
<head>
<meta content='text/html; charset=UTF-8' http-equiv='Content-Type' />
</head>
<body>
<p>
From: <%= @user_email %>
</p>
<p>
<%= @content %>
</p>
</body>
</html>
(*) If you do not want to send html you can create plain text and name file send_email.text.erb.
Now, the hardest part. Configuration of smtp. You need to add it to config/environments/development.rb (or test.rb or production.rb). I found this configuration working for gmail:
# set delivery method to :smtp, :sendmail or :test
config.action_mailer.delivery_method = :smtp
config.action_mailer.perform_deliveries = true
# these options are only needed if you choose smtp delivery
config.action_mailer.smtp_settings = {
:address => 'smtp.gmail.com',
:port => 587,
:domain => 'gmail.com',
:authentication => :login,
:user_name => '[email protected]',
:password => 'your_password',
:enable_starttls_auto => true
}
The last thing is call ActionMailer from our app:
UserMailer.send_email(params[:from], params[:content]).deliver
Form for sending email can looks like that:
<%= form_tag '/send_email', method: 'post' do %>
<div class="field">
Email<br />
<%= email_field_tag :from %>
</div>
<div class="field">
Content<br />
<%= text_area_tag :content, nil, rows: 10, cols: 25 %>
</div>
<div class="actions">
<%= submit_tag "Send", class: "btn btn-large btn-primary" %>
</div>
<% end %>
For that you need to configure action in controller and match route e.g.:
match '/send_email', to: 'your_controller#your_action'
Method send_mail (from UserMailer class) can have as much parameters as you need. It can be also 0. In above example, the params are just rendered in the email template (send_email.html.erb file).
