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Redmine/Rails email through Gmail SMTP

Thursday, December 4th, 2008

Here is a bit of help getting Redmine, or any Rails app, to send email over SMTP through an existing Gmail account. It’s quite easy to set up and you gain the usual perks of having everything centralized in a Gmail account. Note: this works with Google Apps for your domain, too.

First you’ll need to install the smtp_tls plugin into your application’s lib directory so you can correctly authenticate. For posterity, I’ve uploaded a copy smtp_tls.rb along with this post.

www@host:~/redmine$ cd lib
www@host:~/redmine/lib$ curl -O http://blog.expandrive.com/wp-content/uploads/2008/12/smtp_tls.rb

Redmine utilizes email.yml to configure ActionMailer. Here’s what ours looks like:

production:
    delivery_method: :smtp
    smtp_settings:
      address: smtp.gmail.com
      port: 587
      domain: gmail.com
      authentication: :login
      user_name: info@expandrive.com
      password: password

Next, in production.rb makre sure to

require 'smtp_tls'

That’s it, you’re good to go.

If you want to set up any old Rails app [using Action Mailer] to send mail via Gmail, add this to production.rb

require 'smtp_tls' 
 
ActionMailer::Base.delivery_method = :smtp
ActionMailer::Base.perform_deliveries = true
ActionMailer::Base.raise_delivery_errors = true
ActionMailer::Base.default_charset = "utf-8"
 
ActionMailer::Base.smtp_settings = {
:address => "smtp.gmail.com",
:port => 587,
:domain => "gmail.com",
:authentication => :login,
:user_name => "info@expandrive.com",
:password => "password",
}