Synology MailPlus Settings

Click your account in the upper-right corner and select Settings. In the pop-up window, you can configure the settings related to mail layout and organization, protocols for mail delivery (e.g., SMTP and OpenPGP), and more.

General

At Settings > General, you can configure the following settings related to mail layout and organization:

Theme Customization

At Settings > Theme Customization, you can choose a theme from the built-in templates and background pictures.

Auto Reply/Forward

At Settings > Auto Reply/Forward, you can configure the following:

Mailbox

At Settings > Mailbox, you can add new mailboxes, as well as edit, delete, and share existing mailboxes.

If you want to hide a mailbox, tick the checkbox under Hide.

Shared Mailbox

You can share personal mailboxes with internal users/groups to centralize the communication over a specific project.

To share your mailboxes with others:

  1. Right-click the mailbox you want to share on the left panel.
  2. Click Share on the menu.
  3. Select users/groups to share with.
  4. Assign each user/group access permissions to the shared mailbox:
    Permission Access Capability
    Owner
    (the creator of the shared mailbox)
    • View, manage, and reply to messages in the shared mailbox.
    • Manage the shared mailbox and all the sub-mailboxes.
    Manage
    • View, manage, and reply to messages in the shared mailbox.
    • Create, delete, and rename sub-mailboxes.
    • Delete the shared mailbox.
    • Share the shared mailbox with other users/groups and assign access permissions.
    Read/Write
    • View, manage, and reply to messages in the shared mailbox.
    • Create sub-mailboxes.
    Read only
    • View messages in the shared mailbox.
  5. Click OK to save the settings.
  6. The system will mark the shared mailbox with a group icon and send the intended users/groups an invitation to access the mailbox.

Note:

To view mailboxes shared to you:

At Settings > Shared Mailbox, you can see the mailboxes shared with you and the subscription status.

  1. Go to Settings > Shared Mailbox.
  2. You can change the subscription status of each shared mailbox:
  3. Click OK to save the settings.

Filter

At Settings > Filter, you can create, edit, and delete filters to make email management easier. All incoming and outgoing messages that meet the criteria will be marked or labeled according to your filter rules.

To create a filter:

  1. Click Add.
  2. Fill in at least one criterion and click Continue.
  3. Tick the desired checkboxes so the matched messages will be automatically marked or moved to the specific mailboxes.
  4. Click OK to save the settings.

Note:

Priority Mailbox

At Settings > Priority Mailbox, you can set up a priority mailbox to display messages from various mailboxes or labels for centralized management.

  1. Tick the Enable priority mailbox checkbox.
  2. Click Edit to specify the following:
  3. To reorder the sections, click and hold a section and drop it to the desired position.
  4. Click OK to save the settings.

SMTP

At Settings > SMTP, you can add additional SMTP servers or edit existing ones. Synology MailPlus Server will be automatically set as the default SMTP server. No settings can be edited except for your Sender name.

You can use other SMTP servers to send messages in Synology MailPlus. For example, you can add the Google SMTP server to send messages via your Google account in Synology MailPlus.

To add an SMTP server:

  1. Go to Settings > SMTP.
  2. Fill in the following information:

POP3 Fetch

At Settings > POP3 Fetch, click Add and enter a custom POP3 server or use a predefined one to fetch messages to Synology MailPlus. To further ensure effective management, you can even set a mailbox, to which all the incoming messages from a specific server (e.g., Gmail) will be sent.

Note:

OpenPGP

OpenPGP (Pretty Good Privacy) is a key-based encryption technology used for email encryption.

At Settings > OpenPGP, you can enable OpenPGP, manage OpenPGP keys, and adjust related settings.

To generate OpenPGP keys:

  1. Tick Enable OpenPGP and click Key Management.
  2. Click Generate to generate a new key pair.
  3. Click OK to generate a pair of public and private keys.

To manage OpenPGP keys:

Notification

At Settings > Notification, you can install extensions to your browser to receive push notifications from Synology MailPlus.

To enable push notifications:

  1. Click Install browser extension to pair Synology MailPlus with your browser.
  2. After the installation, you can return to Synology MailPlus to specify which mailboxes, labels, and shared mailboxes need push notifications.
  3. Click Send a test message to see if the settings are correct.

Blacklist/Whitelist

At Settings > Blacklist/Whitelist, you can set up a blacklist or whitelist to block or allow messages from specific addresses/domains.

To add an email address or a domain to the blacklist/whitelist:

  1. Click Add in the Blacklist or the Whitelist page.
  2. Enter the email address/domain that you want to blacklist or whitelist.
  3. Click OK to save the settings.

To edit an email address or a domain on the blacklist/whitelist:

  1. Click on the email address/domain and click Edit.
  2. Click OK to save the settings.

To remove an email address or a domain from the blacklist/whitelist:

  1. Click on the email address/domain and click Delete.
  2. Click Yes in the confirmation dialog box.
  3. Click OK to save the settings.

Note: