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Chapter 2 Mail Service Setup 29
Saving Mail Messages for Monitoring and Archival Purposes
You can congure Mail service to send a blind carbon copy (Bcc) of each incoming
or outgoing message to a user or group. You might want to do this to monitor or
archive messages. Senders and receivers of mail don’t know that copies of their mail
are being archived.
You can set up the user or group to receive Bccs using POP, then set up a client mail
application to log in periodically and clean out the account by retrieving all new
messages. Otherwise, you might want to periodically copy and archive the messages
from the destination directory using automated shell commands.
You can set up lters in the mail client to highlight types of messages. Additionally, you
can archive all messages for legal reasons.
To save all messages:
1 In Server Admin, select a computer in the Servers list, then select Mail.
2 Click Settings.
3 Select the General tab.
4 Click the “Copy all mail to” checkbox and enter a user or group name.
5 Click Save.
Conguring Incoming Mail Service
When conguring incoming Mail service, you congure mail to be retrieved by users
and mail client applications. It involves these basic steps:
Choose and enable the type of access (POP, IMAP, or both). Â
Choose a method for authentication of the mail client. Â
Choose a policy for secure transport of mail data over SSL. Â
The following sections explain how to enable IMAP and POP access. For information
on authentication and SSL, see “Securing User Access to Mail Service” on page 62.
Enabling IMAP Access
IMAP is a client-server mail protocol that allows users to access mail from the Internet.
With IMAP, 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 dierence 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.