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Preston Lee

Founder, CEO, OpenRain.com

About

During the day I run OpenRain in Phoenix: a Ruby on Rails development shop. During the night... well... I still have to run OpenRain, but when I find time to breath, I exhale here. If you'd like to get in touch professionally, don't hesitate to contact me via the OpenRain website.

Peace,

Preston

Configuring Rails To Use Gmail’s SMTP Server

OpenRain.com uses Google Apps For Your Domain, and all email flows throw Google’s servers. Unfortunately, Rails 1.2.2 can’t send via smtp.google.com out of the box. As originally pointed out by Anatol Pomozov there is a solution. Here’s the simple version tested with Rails 1.2.2.

  1. Save this code as lib/smtp_tls.rb within your rails app.
  2. Add this code to config/environment.rb.
  3. Use ActionMailer as normal.

Updated 2008.01.04: The original link was b0rken, so I pastied the code instead.

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. 20 Feb 07 | Computer
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Reader's Comments

  1. Chris | February 21st, 2007 at 11:57 pm

    Just a note: if you’re copying and pasting the code from this page, know that the single- and double-quotes are being pasted as non-parsable versions. You’ll need to re-type those quotes to avoid read errors.

  2. Łukasz Schabowski // Weblog » Blog Archive » Rails & Gmail SMTP Server | February 22nd, 2007 at 2:24 am

    [...] PrestonLee.com » Configuring Rails To Use Gmail’s SMTP Server [...]

  3. Al Brown | February 23rd, 2007 at 1:19 am

    action_mailer_tls seems to work with the same config I used with Rails 1.1.6

  4. Paul | May 5th, 2007 at 9:37 pm

    The links to the code seem to be broken. Is the code available anywhere else?

    Thanks

  5. preston.lee | May 6th, 2007 at 11:02 am

    The links seem to be working fine this morning. Maybe he just had some downtime yesterday.

  6. การตั้งค่าให้ Rails ใช้งาน Gmail SMTP Server « Kiterminal’s Blog | June 22nd, 2007 at 8:04 am

    [...] ที่มา: PrestonLee.com   [...]

  7. Joe | August 15th, 2007 at 1:47 pm

    The website was down for me too.
    I searched google for the link:
    http://blog.pomozov.info/posts/how-to-send-actionmailer-mails-to-gmailcom.html
    and was able to get the code via the google cache.

  8. How to use GMail’s SMTP Server with Rails « Bhushangahire’s Weblog | August 23rd, 2007 at 9:33 am

    [...] Enjoy! Thanks to Preston Lee for pointing this out. And, of course, Anatol’s smtp_tls library can also be used directly from any other Ruby application if you like! [...]

  9. Jean-Michel Garnier | August 31st, 2007 at 7:07 am

    I have copied-pasted the code from google cache to http://21croissants.blogspot.com/2007/08/configuring-rails-to-use-gmails-smtp.html

  10. wwwaku » RailsでGmailã‚’SMTPサーバーとして使う方法 | October 29th, 2007 at 4:44 am

    [...] http://www.prestonlee.com/archives/63 http://21croissants.blogspot.com/2007/08/configuring-rails-to-use-gmails-smtp.html [...]

  11. SandyTheFire | January 3rd, 2008 at 2:26 pm

    Guyz, I am trying to send multiple mails so i have to authenticate multiple times which consumes a hell lotta time, can anyone suggest a way.

  12. preston.lee | January 4th, 2008 at 10:48 pm

    @SandyTheFire

    I’m not sure how to best deal with that within Rails, but you could use your own SMTP server instead. If your sending a ton of emails you may need to do that anyway to avoid getting slapped by Google.

  13. Marc Chung | January 4th, 2008 at 10:48 pm

    It’s also available from our SVN repo

    https://openrain.com/opensource/public/rails/plugins/action_mailer_tls/

    -M

  14. PrestonLee.com » Blog Archive » Rails 2.0: Gmail SMTP With ActionMailer | January 5th, 2008 at 12:39 am

    [...] Note: I previously wrote about how to do this for Rails 1.2.x here. [...]

  15. Philippe Rathe | February 19th, 2008 at 12:37 pm

    Gmail will limit you to send 500 emails per day.
    You won’t be able to change the “from” parameter.

    Perfect for personal use.

  16. Philippe Rathe | February 19th, 2008 at 12:41 pm

    /Users/prat/lib/rubygems/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:266:in `load_missing_constant’: uninitialized constant ActionMailer (NameError)

    Got this Error when starting mongrel.

  17. Suave’s Blog » » send Email via Gmail of Google Apps in your Rails project | March 27th, 2008 at 8:50 am

    [...] 不过后来在一篇 Blog 的评论中看到说 Gmail 限制一天只能发 500 封邮件，Google 了一下貌似确有此事，还没有亲自证实。 [...]

  18. william | March 28th, 2008 at 7:33 pm

    gracias por tu instructivo, por el cual logre lo que necesitaba.

    saludos desde colombia

  19. Scott Motte » Blog Archive » Email validation/activation with rails | May 30th, 2008 at 2:06 pm

    [...] five [...]

  20. liquidsun | August 15th, 2008 at 6:05 pm

    For the ‘load_missing_constant’ error, here is the fix…
    Put
    require ’smtp_tls’
    require ‘action_mailer’
    into environment.rb.



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