3. Enter a descriptive name for the rule (for example, POP-SSL Access) and click Next.
4. Select Client Access: RPC, IMAP, POP3, SMTP from the radio box list and click Next.
5. In the Select Services dialog box, select POP3 (secure port) and click Next.
6. Enter the internal IP address of the POP server and click Next.
7. Select to which networks the ISA server will listen by checking the boxes next to
them and click Next.
8. Click Finish, Apply, and OK.
Creating and Configuring an IMAP Mail Publishing Rule
The Internet Message Access Protocol (IMAP) is often used as a mail access method for
Unix systems and even for clients such as Outlook Express. It also can be secured through
an ISA server, using the same rule as a POP rule, or through the configuration of a unique
IMAP publishing rule.
Enabling IMAP4 Access on an Exchange Server If IMAP protocol support is required, but
an internal IMAP server is not currently available, Exchange Server 2003 can be configured
to provide for IMAP functionality through the following procedure:
375 Securing POP and IMAP Exchange Traffic
1. On the Exchange server, open the Services MMC Console (Start, All Programs,
Administrative Tools, Services).
Pages:
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612