
Chapter 1 Mail Service Setup 27
To enable POP access:
1 In Server Admin, select Mail in the Computers & Services pane.
2 Click Settings.
3 Select the General tab.
4 Click Enable POP.
5 Click Save.
6 Continue and configure security for POP authentication and transport.
See the following to continue configuration:
• “Enabling Secure POP Authentication” on page 28.
• “Enabling Less Secure Authentication for POP” on page 29.
• “Configuring SSL Transport for POP Connections” on page 29.
Enabling IMAP Access
IMAP is a client-server mail protocol that allows users to access their mail from
anywhere on the Internet. With IMAP, a user’s mail is delivered to the server and stored
in a remote mailbox on the server; to users, mail appears as if it were on the local
computer. A key difference between IMAP and POP is that with IMAP the mail isn’t
removed from the server until the user deletes it. IMAP connections are persistent and
remain open, maintaining load on the server and possibly the network as well.
To enable IMAP access:
1 In Server Admin, select Mail in the Computers & Services pane.
2 Click Settings.
3 Select the General tab.
4 Click Enable IMAP.
5 Enter the number of concurrent connections you want to allow, then click Save.
The default setting is 32, and the maximum is 300.
6 Click Save.
7 Continue and configure security for IMAP authentication and transport.
See the following to continue configuration:
• “Enabling Secure IMAP Authentication” on page 30.
• “Enabling Less Secure IMAP Authentication” on page 31.
• “Configuring SSL Transport for IMAP Connections” on page 31.
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