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7.1.1.1   Enabling and Updating the Apple Mail Plug-In

On macOS 10.14, after you install the plug-in for Apple Mail or SpamSieve auto-updates it to a newer version, Mail will not load the plug-in until you enable it.

To Enable the Plug-In

  1. Quit Mail if it’s open.

  2. Launch Mail and choose Preferences… from the Mail menu.

  3. Click on the General tab.

  4. Click the Manage Plug-ins… button at the bottom of the window.

  5. Make sure that SpamSieve.mailbundle is checked.

    apple mail manage plug ins

  6. Click Apply and Restart Mail.

Why the Plug-In Needs to be Enabled

If SpamSieve’s Mail plug-in is not enabled, Mail will not filter new messages through SpamSieve, and you will not be able to train SpamSieve. Additionally, if Mail receives new messages while the SpamSieve plug-in is disabled, the SpamSieve rule in Mail will move them to the Spam mailbox without consulting SpamSieve. SpamSieve will try to prevent this by temporarily deactivating the rule if it notices that the plug-in is disabled. You can also do this yourself by unchecking the SpamSieve rule in Mail’s preferences before updating SpamSieve. Or you can just drag the messages back to the inbox if you happen to receive any before you’ve had a chance to re-enable the plug-in. (They do not need to be trained as good because SpamSieve did not think they were spam; they were moved by Mail.)

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