Domain

You can manage multiple domains and configure settings related to alias, auto BCC, usage limit, and disclaimer in Synology MailPlus Server.

To add a domain:

  1. Go to Domain on the left panel and click Add.
  2. Enter the following domain information and click Next.
  3. Select members to add to this domain and click Next.
  4. Confirm the email addresses of the selected members and click Apply.

To edit domains:

  1. Go to Domain on the left panel, select the domain you want to edit, and click Edit.
  2. Go to the General tab to adjust the following settings:

To add user accounts to a domain:

  1. Go to Domain on the left panel, select a domain and click Edit.
  2. Go to the User tab and click Add.
  3. Select user accounts.
  4. Confirm the email addresses of the selected users.

To edit user settings in a domain:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the User tab, select the user account you want to edit, and click Edit.
  3. In the Edit User window, adjust the following settings:

To remove user accounts from a domain:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the User tab, select the user accounts you want to remove, and click Delete.

To add groups to a domain:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Group tab and click Add.
  3. Select user groups and click Next.
  4. Confirm the email addresses of the members and click Apply.

To edit user group settings in a domain:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Group tab, select a user group you want to edit, and click Edit.
  3. In the Edit Group window, you can select Domain administrator in the Role drop-down menu so all the users in Group will have the permissions as a Domain administrator.

To remove user groups from a domain:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Group tab, select user groups you want to remove, and click Delete.

To view members:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Group tab and click View members to check if certain users belonging to the group are not in this domain.

To create email aliases:

You can set up aliases to group email addresses of specific users, groups, and aliases. When sending emails, users can quickly specify recipients by using aliases without entering multiple addresses. Please refer to the following steps to create email aliases.

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Alias tab, and click Create to define an alias and its included members.
  3. Specify a name for the alias in the Alias name field. If the alias is identical with an email account username, the email account will not be automatically added as an alias member.
  4. Click the drop-down menu below to view aliases, users, groups, or external mailboxes, and add the desired ones to the alias.
  5. Click OK to save the settings.

To import/export aliases:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Alias tab and click Tools at the top to select the following options:

To create auto BCC rules:

When inbound or outbound messages match any auto BCC (Blind Carbon Copy) rule, a BCC will be automatically created and forwarded to a specified address, allowing users to back up important messages and protect recipient privacy. Please refer to the following steps to create auto BCC rules:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Auto BCC tab. Click Create to create an auto BCC rule and define its trigger condition:
  3. In the Send BCC to this address field, specify an email address, username, or email alias to forward the BCC to.
  4. Click OK to save the rule.

To import/export auto BCC rules:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Auto BCC tab, and click Tools on the top to select the following options:

To set up sending limit and daily quota:

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Usage Limit tab. In the Sending Limit section, adjust the following settings:
  3. In the Daily Quota section, adjust the following settings:
  4. Note:

  5. Click OK to save the settings.

To create disclaimer rules:

The system can automatically append a custom disclaimer to outbound messages to clarify legal obligations/agreements, or promote campaign information to recipients.

You can set up custom rules to decide whether a disclaimer should be appended to outbound messages.

  1. Go to Domain on the left panel, select a domain, and click Edit.
  2. Go to the Disclaimer tab and click Create.
  3. Go to the Rule tab and enter the following information:
  4. Specify matching rules to define when to append the disclaimer to outbound messages:
  5. Specify exception rules to define when not to append the disclaimer to outbound messages:
  6. Go to the Content tab to specify the disclaimer content:
  7. Click OK and then Save to save the disclaimer.
  8. Disclaimers that rank higher have higher priority than the ones that rank lower. To change their priority settings, select a disclaimer and drag and drop it to a suitable position.

Note:

To delete domains:

Note:

To set up a primary domain: