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Auto Mail Accounts

The Nextcloud mail app has a built-in default configuration for mail accounts but it does not create actual mail accounts for each Nextcloud user, so they can not store alternative identitites, a sender name, attachments or collect e-mail addresses. Each user would have to enter all the mail server info (e.g. host, port, username, password) individually.

This app hooks into Nextcloud's user creation/deletion and display name/ password change and automatically creates/deletes/updates a mail account in the mail app. This creates mail accounts like if a user entered the settings manually allowing him to use all features of the mail app. This is useful if the login credentials for Nextcloud and the mail server are identical and all Nextcloud users also have a mail account.

Features

Hooks into:

  • user creation
  • user deletion
  • user password change
  • user display name change
    • will be set as the sender name of an e-mail

Configuration

If your Nextcloud login is identical to the e-mail address e.g. user@example.com and the mail server is on the same machine and uses default ports you don't need any configuration, because the default values below will be used.

If not, you can configure this app by putting the following in Nextcloud's main configuration file in config/config.php. These are also the default values:

'auto_mail_accounts' => array (
            'imap_host' => 'localhost',
            'imap_port' => '143',
            'imap_ssl_mode' => 'none',
            'smtp_host' => 'localhost',
            'smtp_port' => '587',
            'smtp_ssl_mode' => 'none',
            'email_address_suffix' => ''
    ),

The key auto_mail_accounts goes into the main hierarchy level, where e.g. trusted_domains is.

If your users login as user (instead of user@example.com) you can set email_address_suffix to @example.com to automatically add this to the e-mail address of each user.

Valid ssl modes are none, ssl and tls as described in the mail app documentation.

Note that the email field during user creation in the Nextcloud user interface is ignored and set to the username (uid).

Security

Note that the password is stored with symmetric encryption and can be retrieved by the admin. This is the default behaviour of the mail app whose methods this app uses.

Troubleshooting

Set 'loglevel' => '0', in Nextcloud's config/config.php to enable the app's debug output and check the log file.

Cleanup

Afaics the mail app has no mechanism to delete

  • all collected e-mail addresses (i.e. addresses that are stored when you send someone an e-mail) of a user
  • all references to attachments of a user

This means that if you delete a user, while his mail account and aliases will be deleted, his collected addresses and attachment references will remain in the db. This is not the Auto Mail Account app's fault.

This data can be found in the oc_mail_attachments and oc_mail_collected_addresses tables respectively.

Changelog

0.1.3

  • Fix a problem where user deletion or avatar change would fail if a user account did not have a mail account.

0.1.2

  • Add compatibility with Nextcloud 15

0.1.1

  • Add compatibility with Nextcloud 14

0.1.0

  • Initial release