
Chapter 1 Mail Service Setup 31
Enabling Less Secure IMAP Authentication
Your IMAP mail service can supply users’ passwords by less secure means. These
authentication methods are less secure because they don’t securely encrypt your users’
passwords as they cross the network.
If you want to require any of these authentication methods, enable only one method.
To allow login, plain, or clear IMAP authentication:
1 In Server Admin, select Mail in the Computers & Services pane.
2 Click Settings.
3 Select the Advanced tab.
4 Select Security.
5 Check LOGIN, PLAIN, or Clear in the IMAP list.
6 Click Save.
Configuring SSL Transport for IMAP Connections
SSL transport enables mail transmitted over the network to be securely encrypted. You
can choose to Require, Use, or Don’t Use SSL for IMAP connections. Before using SSL
connections, you must have a security certificate for mail use.
See “Certificate Manager in Server Admin” on page 95 to for more information about
Certificates.
Setting SSL transport for IMAP also sets it for POP.
To configure SSL transport for IMAP connections:
1 In Server Admin, select Mail in the Computers & Services pane.
2 Click Settings.
3 Select the Advanced tab.
4 Select Security.
5 Click Require or Use to enable (Don’t Use to disable) in the IMAP and POP SSL section.
6 Select the Certificate you want to use from the corres ponding pop-up menu, if you are
using or requiring SSL.
7 Click Save.
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