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Delete INSTALL-email.md
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Jeff Atwood
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> # Warning: This Guide is Deprecated
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> We only support Docker based installs now. Please see [our **official install guide**](https://github.com/discourse/discourse/blob/master/docs/INSTALL.md) for supported install instructions.
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# Discourse Mail Setup Guide
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After following INSTALL-ubuntu.md your mailer settings should still be set.
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Out-of-the-box Discourse is configured to deliver mail locally via sendmail.
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That's great. Leave that there as we're going to try to get the mail to postfix
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ASAP so postfix do it's job and process the mail for delivery.
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## Email is IMPORTANT
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Email notifications are core to the Discourse experience. We want your users to receive notifications as soon as possible so they can contribute to the conversation.
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If sending email isn't something to which you want to devote your time, don't
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worry about it. There are [companies](http://mandrill.com/) that dedicate
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theirs to doing one thing very well - ensuring that mail to your users gets
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delivered.
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## Sending Email Through GMail
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Don't do it! GMail is not intended for sending out bulk notifications. Your email setup [will break](http://webapps.stackexchange.com/q/44768/12456).
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## Sending Email Through Mandrill
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### Create an account
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We're going to use [Mandrill](http://mandrill.com/) as our email delivery
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provider.
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1. Create an account at http://mandrill.com/ (click on 'SIGN UP')
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1. I filled out the 'Tell Us A Little About Yourself' survey. They are
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providing us a free service, after all!
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### Create an API key
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I'm pleased with Mandrill's setup - this is the Right Way to do things.
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1. Click 'Get SMTP Credentials'
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1. Note that you can use 'any valid API key' as your password. Click '+ Add API Key' to create one.
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1. Click 'Edit' to document for what we'll be using this key.
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1. Since we'll only be using this key for sending email and *nothing else*, check 'Only Allow This Key To Use Certain API Calls' and select only Messages / Send and Messages/ Send-Raw. Send-Raw must be selected or Discourse won't be able to send email.
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1. Optionally, restrict this key to the public static IP address of your server.
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1. Click 'Save'
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### Configure Postfix for Mandrill
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Thank you Mandrill for providing an excellent [guide on configuring Postfix to use Mandrill](http://help.mandrill.com/entries/23060367-Can-I-configure-Postfix-to-send-through-Mandrill-).
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Additional notes on this document:
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* Ubuntu has an `/etc/postfix/sasl` directory. Create a password file in there.
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* Make sure you put your **API KEY** into this password file, not your **ACCOUNT PASSWORD**
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* You may already have configured a `relayhost` earlier in the installation. If this machine is sending out ANY emails other than Discourse-generated notifications, follow the instructions in 'Relay only certain emails through Mandrill'.
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After configuring postfix as per Mandrill's instructions, reload postfix with `sudo postfix reload`.
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### Send test email
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Now we send a test email. Login to your Discourse installation and click on the ≡ (aka congruence/hamburger/etc), then 'Admin'.
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Click on `Email`, `Settings`, then type your email address into the test box and click `send test email`.
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Within moments, you should have email in your Inbox.
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### OH NOES I DIDN'T GET MY EMAIL TEST!
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Follow the trail. First of all, did the email get to Postfix? Check `/var/log/mail.log`:
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Jun 24 01:24:59 discoursetest postfix/pickup[25387]: 7CBF280294C: uid=1001 from=<info@discourse.org>
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Jun 24 01:24:59 discoursetest postfix/cleanup[25829]: 7CBF280294C: message-id=<51c7d82b6f878_8ef3d7802c10139@discoursetest.mail>
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Jun 24 01:24:59 discoursetest postfix/qmgr[25386]: 7CBF280294C: from=<info@discourse.org>, size=5884, nrcpt=1 (queue active)
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Looks good! Wait, why is the email coming *from* `info@discourse.org`? That's a
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problem we'll fix below.
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Jun 24 01:25:04 discoursetest postfix/smtp[25831]: 7CBF280294C: SASL authentication failed; server smtp.mandrillapp.com[54.235.146.179] said: 435 4.7.8 Error: authentication failed:
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Jun 24 01:25:10 discoursetest postfix/smtp[25831]: 7CBF280294C: SASL authentication failed; server smtp.mandrillapp.com[54.234.14.176] said: 435 4.7.8 Error: authentication failed:
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Jun 24 01:25:13 discoursetest postfix/smtp[25831]: 7CBF280294C: SASL authentication failed; server smtp.mandrillapp.com[50.16.10.62] said: 435 4.7.8 Error: authentication failed:
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Jun 24 01:25:20 discoursetest postfix/smtp[25831]: 7CBF280294C: to=<spoonman@discourse.org>, relay=smtp.mandrillapp.com[54.235.146.152]:25, delay=21, delays=0.07/0.01/21/0, dsn=4.7.8, status=deferred (SASL authentication failed; server smtp.mandrillapp.com[54.235.146.152] said: 435 4.7.8 Error: authentication failed: )
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The above errors are caused by using an incorrect API key in your sasl passwords file. Fix that (edit `/etc/postfix/sasl/passwd`, run `sudo postmap` on it, then `postqueue -f` to restart the queue).
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Jun 24 01:30:30 discoursetest postfix/smtp[25861]: table hash:/etc/postfix/sasl/passwd(0,lock|fold_fix) has changed -- restarting
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Jun 24 01:30:31 discoursetest postfix/smtp[25872]: 7CBF280294C: to=<spoonman@discourse.org>, relay=smtp.mandrillapp.com[54.234.14.176]:25, delay=332, delays=331/0.01/1.2/0.17, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as C515B6380D3)
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That's better! Our test message made it to Mandrill. Let's check Outbound Activity in Mandrill:
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If you see this, the email was accepted by Mandrill and delivered to the
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destination. You need to check your spam filter now.
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If you don't see anything in Mandrill, ensure that the API key is enabled for
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'Send-Raw' permission. Mandrill appears to silently drop the email if that's
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not set.
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### Configure notification email addresses
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Login to Discourse, go to the Admin page and select 'Settings'.
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Filter with the string 'system'.
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* Ensure that `site_contact_username` is set to an email address for an appropriate "owner" of the site
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* Set `notification_email` to 'noreply@', 'nobody@' as appropriate.
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Filter with the string 'contact_email'
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* Ensure `contact_email` is set appropriately.
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### SPF and DKIM records
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Login to Mandrill and click on ⚙ (Settings)-> Sending Domains
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If your domain isn't listed, add it. It'll probably show this:
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Click 'View DKIM/SPF setup instructions'.
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Follow the instructions there.
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When DNS is properly configured, you should be able to click on 'Test DNS Settings' and Mandrill will confirm they are setup properly:
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### Mandrill Options
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Login to Mandrill and click on ⚙ (Settings)-> Sending Options
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* 'Track Clicks' is enabled by default. This rewrites links in email messages to bounce off the mandrillapp.com domain for click tracking. Disable it here if you don't want that:
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* If you do use it, setting up a 'Tracking Domain' is a very good idea to avoid erroneous scam warnings:
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