How to send an email with mail gem in ruby on rails - ruby-on-rails

Question

I am trying to send an email using mail gem. But Unfortunately it is not working.
This is my controller.
def create
fn = params["firstname"]
ln = params["lastname"]
email = params["email"]
file = params["file"]
summery = params["summery"]
email_body = "Hello\n This is Your favorite website.\nA I want to personaly say hi."
mail = Mail.new do
from 'someone#gmail.com'
to email
subject "Saying Hi"
body email_body
end
mail.add_file(filename: file.original_filename, content: File.read(file.tempfile.path)) unless file.nil?
mail.deliver!
render json: {message: "A bug has been created", success: true}, status: 201
end
This code is producing this error
Errno::ECONNREFUSED - Connection refused - connect(2) for "localhost" port 25:
However when I am installing the mailcatcher and configure my controller to send the mail to mailcatcher, I can see the email in my mailcatcher UI.
Mail.defaults do
delivery_method :smtp, address: "localhost", port: 1025
end
Also I have add this two lines to my config/environment/development.rb
config.action_mailer.raise_delivery_errors = true
config.action_mailer.perform_deliveries = true
From my searches I saw that some people are mentioning that dont send email on development mode, however on this case I really want to test the full capability.
Update
As #Uzbekjon and #SimoneCarletti suggested I change my code to use the ActionMailer. I created the a file in app/mailer/ and I am calling that from my controller.
def create
fn = params["firstname"]
ln = params["lastname"]
email = params["email"]
file = params["file"]
summery = params["summery"]
email_body = "Hello\n This is Your favorite website.\nA I want to personaly say hi."
WelcomeMailer.welcome(fn, ln, email, file, email_body).deliver_now
render json: {message: "An Email has been send", success: true}, status: 201
end
and This is my mailer
class WelcomeMailer < ActionMailer::Base
default from: "someone#yahoo.com"
def welcome(first_name, last_name, email, file, email_body)
attachments["#{file.original_filename}"] = File.read("#{file.tempfile.path}")
mail(
to: email,
subject: 'Welcome to My Awesome Site',
body: email_body
)
end
end
However I am still getting the same error.
Errno::ECONNREFUSED - Connection refused - connect(2) for "localhost" port 25:
Answer
So I found the solution. Yes you need to use the ActionMailer. After that you need to go to the config/environments/development.rb , and modify and add these lines:
config.action_mailer.raise_delivery_errors = true
config.action_mailer.perform_deliveries = true
config.action_mailer.delivery_method = :smtp
# SMTP settings for gmail
config.action_mailer.smtp_settings = {
:address => "smtp.gmail.com",
:port => 587,
:user_name => "YOUR EMAIL",
:password => "YOUR Password",
:authentication => "plain",
:enable_starttls_auto => true
}
Also If Gmail complained about this:
Net::SMTPAuthenticationError - 534-5.7.9 Application-specific password required
Go to this link and let less secure application access Gmail.
Other configurations are available for other services like Yahoo. Just Google it.

Answer 1

Errno::ECONNREFUSED - Connection refused - connect(2) for "localhost" port 25:
Looks like mail gem is trying to connect to your local smtp server on port 25. Most probably you don't have the service running and receiving connections on port 25.
To solve, install and run sendmail or postfix on your machine.
PS. Use ActionMailer.

Answer 2

You don't have a mail server running on port 25. You can install postfix and start the server using
sudo postfix start
And then modify the settings in config/environments/development.rb
config.action_mailer.delivery_method = :sendmail
Hope this helps.