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Configuring Rails To Use Gmail's SMTP Server

by preston.lee on February 20th, 2007

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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23 Comments
  1. 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. Al Brown permalink

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

  3. Paul permalink

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

    Thanks

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

  5. 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.

  6. SandyTheFire permalink

    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.

  7. @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.

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

    Perfect for personal use.

  9. /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.

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

    saludos desde colombia

  11. liquidsun permalink

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

  12. Alright folks,
    great tutorial – it came in very handy today.

    I would just like to add, for anyone who cares, that the code you need to insert into environment.rb, needs to go AFTER everything else in the file. i.e. after the ‘end’ statement.

    anyway, thanks a lot for this, I really needed it.

    Cheers

  13. Pat Douglas permalink

    Thank you!!!!!

Trackbacks & Pingbacks

  1. Łukasz Schabowski // Weblog » Blog Archive » Rails & Gmail SMTP Server
  2. การตั้งค่าให้ Rails ใช้งาน Gmail SMTP Server « Kiterminal’s Blog
  3. How to use GMail’s SMTP Server with Rails « Bhushangahire’s Weblog
  4. wwwaku » RailsでGmailã‚’SMTPサーバーとして使う方法
  5. PrestonLee.com » Blog Archive » Rails 2.0: Gmail SMTP With ActionMailer
  6. Suave’s Blog » » send Email via Gmail of Google Apps in your Rails project
  7. Scott Motte » Blog Archive » Email validation/activation with rails
  8. Code, the Universe and Everything. » Blog Archive » Deploying rails app with mod_rails on dreamhost

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