License & Account (*administrator only)

License

In the License page, you can add licenses you have purchased to extend the number limit of the users.

MailPlus Server will automatically sync the status of your licenses with your Synology Account. However, you can also click Sync Now to manually sync your licenses for an immediate check.

Note:

To add a license key to your mail system:

  1. Click Add.
  2. To proceed with adding your license key, you must confirm your agreement to the terms and conditions.
  3. Log in to your Synology account, and make sure the network connection is normal and stable.
  4. Enter a valid license key. You can click "+" to add more license keys, or click "-" to delete one that you have just entered.
  5. After you successfully add the license key, MailPlus Server will automatically upgrade the number limit of the users.

Note:

Account

To activate mail service for users/groups:

You can activate and deactivate the mail service for specific users/groups.

  1. Go to Account on the left panel.
  2. Go to the corresponding tabs to manage the mail sending/receiving service for users/groups:
  3. Click Apply to save the settings.

Note:

To set up user policies:

You can set up user policies on individual users/groups to regulate their mail access and traffic.

  1. Go to Account on the left panel.
  2. Go to User Policy and click Add (the plus icon) on the top bar.
  3. On the pop-up, go to User Policy to set the following rules in Mail Delivery:
    Rule Yes No By domain
    Disable auto forwarding Disable mail auto-forwarding Not applied Apply domain settings
    Rule Value No value
    Daily sending quota (number) Set maximum total number of messages sent daily for users Apply domain settings
    Daily outbound traffic (MB) Set maximum total size of messages sent daily for users Apply domain settings
    Single attachment size (MB) Set maximum size of each email attachment for users Apply domain settings

    Note: The above user policy settings will override the user’s original domain settings if there are any conflicts in settings.

    Rule Yes No
    Send mail to internal users only Allow only mail delivery to system-internal users Not applied
  4. Next, set the following rules in Service:
    Rule Yes No
    Enable IMAP Allow client access via IMAP Ban client access via IMAP
    Allow login only from LAN via IMAP Allow client login only from MailPlus Server's local network via IMAP Not applied
    Enable POP3 Allow client access via POP3 Ban client access via POP3
    Allow login only from LAN via POP3 Allow client login only from MailPlus Server's local network via POP3 Not applied
    Enable full-text search Index email content for full-text search Not applied
  5. Then, go to Target User to select the users/groups to be regulated under the defined user policy.
  6. Click OK to save the settings.
  7. The created user policy will appear in the policy list.

Note:

To manage user policies:

After selecting or hovering to a user policy, you can do the following managements:

Note:

Delegation:

In the Delegation tab, you can delegate other users to manage settings (except for License) of MailPlus Server.

Note:

To add and set up delegation policies:

  1. Go to Account on the left panel.
  2. Go to Delegation tab, and click the plus icon on the top bar.
  3. On the pop-up, go to Delegation tab and enter the following information:
  4. Go to Target User to select the users/groups to be regulated under the defined delegation policy.
  5. Click OK to save the settings, the delegation policies will be displayed in the policy list on the right of the panel.

To edit delegation policies:

Select one policy, then you can do the following:

To manage delegation policies:

In the Delegation tab, you can manage your delegation policies through the tools on the top tool bar: