13.1 Apple Mail 10.4
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## 13.1 Apple Mail 10.4

### 13.1.1 Exchange account in Apple Mail

Support for Apple Mail in Exchange accounts results in displaying of all calendar folders included in a particular user account in Kerio MailServer. Apple Mail does not support the calendar view mode and therefore each event is displayed as one email message. Such messages include an `.ics` attachment with all data associated with the corresponding event.

Thus, each event can be simply imported to Apple iCal (for details, see chapter 10 Apple iCal Support) where it can be displayed easily.

Another benefit of the settings is that all types of public folders can be viewed in the account. The following folder types are displayed:

- email

- contacts

- calendar

- tasks

- notes

Apple Mail displays all types of public folders since their download is always performed via the IMAP protocol.

### 13.1.2 IMAP account in Apple Mail

Support for Apple Mail in IMAP accounts allows viewing of all mail folder types. This applies also to all types of public folders. However, only folders created directly from the mailbox root folder can be actually viewed.. Subfolders are not displayed. In IMAP accounts in Apple Mail, the following items are displayed:

- email

- contacts

- calendar

- tasks

- notes

However, this support is limited by features of the email client. Therefore, all events, contacts, tasks and notes will be displayed only as email messages with an attachment where all data associated with the corresponding event, contact or task will be included. Events and tasks include attachments in the `.ics` format, contacts include attachments in `.vcf`.

If you use Apple Mail as an email application, it is possible to simply import each event to Apple iCal (for details, see chapter 10 Apple iCal Support) where it can be viewed in a selected calendar.

Note: Although contacts are saved as `.vcf` attachments, it is not possible to import them to the Apple Address Book.

### 13.1.3 Learning of the antispam filter

Kerio MailServer contains the SpamAssassin antispam filter. This filter is based on content analysis (spam messages usually contain specific attributes that can be searched for and evaluated by the filter). Each message is assigned a numeric score; if this value exceeds the limit set in Kerio MailServer, the message is marked as spam.

The spam filter may let some spam messages through from time to time by mistake (their score is low) and mark some regular messages as spam (their score is too high). For the reasons above, the antispam filter allows modification to the database used for recognition of spam messages. This method, however, requires user input. Users have to reassign the incorrectly evaluated messages to correct types (spam / non-spam) so that the filter learns to recognize them in the future.

Messages which were marked incorrectly can be re-evaluated by moving them in corresponding folders. To be specific, to mark a message as spam, move it to the Junk E-mail folder. To mark a message as legitimate (if it was marked as spam incorrectly by the system), move it to Inbox.

For more comfortable moving of spam to Junk E-mail, use the Junk button on the Apple Mail toolbar. This option is helpful where spam was let into INBOX and was not marked as spam. Simply select such messages and click on Junk. Once the button is clicked, the message selected is moved to the Junk E-mail folder and the filter learns to mark similar messages as spam.

### Warning

Unfortunately, it is not possible to add a Not Junk button for cases where legitimate messages are marked as spam. This happens because the message was marked as spam in Apple Mail but it was not moved to Inbox and the spam filter would not be capable of learning the features of the message.

#### The Junk button settings

To make the Junk button work correctly and move email to Junk E-mail, perform the following settings:

1. Select the Preferences item in the Mail menu.

2. This opens a dialog with Apple Mail settings. Click on the Junk Mail icon to open the Junk Mail tab (see figure 13.1 The Junk Mail tab).

   Figure 13.1. The Junk Mail tab

3. Make sure that the Perform custom actions (Click Advanced to configure) is set for the When junk mail arrives item . If not, change the setting.

4. Click on Advanced

5. to open another configuration dialog and fill the Perform the following actions entry in as described below (see figure 13.2 The Junk Mail tab, Advanced settings):

   Figure 13.2. The Junk Mail tab, Advanced settings

   - In the first menu, select Move Message.

   - In the second one, select the Junk E-mail folder.

   The process is shown at figure 13.2 The Junk Mail tab, Advanced settings.

6. Click OK to confirm settings.

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