debian-mirror-gitlab/doc/development/emails.md
2018-10-15 14:42:47 +05:30

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Dealing with email in development

Sent emails

To view rendered emails "sent" in your development instance, visit /rails/letter_opener.

Mailer previews

Rails provides a way to preview our mailer templates in HTML and plaintext using dummy data.

The previews live in spec/mailers/previews and can be viewed at /rails/mailers.

See the Rails guides for more info.

Incoming email

  1. Go to the GitLab installation directory.

  2. Find the incoming_email section in config/gitlab.yml, enable the feature and fill in the details for your specific IMAP server and email account:

    Configuration for Gmail / Google Apps, assumes mailbox gitlab-incoming@gmail.com

    incoming_email:
      enabled: true
    
      # The email address including the `%{key}` placeholder that will be replaced to reference the item being replied to.
      # The placeholder can be omitted but if present, it must appear in the "user" part of the address (before the `@`).
      address: "gitlab-incoming+%{key}@gmail.com"
    
      # Email account username
      # With third party providers, this is usually the full email address.
      # With self-hosted email servers, this is usually the user part of the email address.
      user: "gitlab-incoming@gmail.com"
      # Email account password
      password: "[REDACTED]"
    
      # IMAP server host
      host: "imap.gmail.com"
      # IMAP server port
      port: 993
      # Whether the IMAP server uses SSL
      ssl: true
      # Whether the IMAP server uses StartTLS
      start_tls: false
    
      # The mailbox where incoming mail will end up. Usually "inbox".
      mailbox: "inbox"
      # The IDLE command timeout.
      idle_timeout: 60
    

    As mentioned, the part after + is ignored, and this will end up in the mailbox for gitlab-incoming@gmail.com.

  3. Run this command in the GitLab root directory to launch mail_room:

    bundle exec mail_room -q -c config/mail_room.yml
    
  4. Verify that everything is configured correctly:

    bundle exec rake gitlab:incoming_email:check RAILS_ENV=development
    
  5. Reply by email should now be working.

Email namespace

If you need to implement a new feature which requires a new email handler, follow these rules:

  • You must choose a namespace. The namespace cannot contain / or +, and cannot match \h{16}.
  • If your feature is related to a project, you will append the namespace after the project path, separated by a +
  • If you have different actions in the namespace, you add the actions after the namespace separated by a +. The action name cannot contain / or +, , and cannot match \h{16}.
  • You will register your handlers in lib/gitlab/email/handler.rb

Therefore, these are the only valid formats for an email handler:

  • path/to/project+namespace
  • path/to/project+namespace+action
  • namespace
  • namespace+action

Please note that path/to/project is used in GitLab Premium as handler for the Service Desk feature.


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