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It is important to note, however, that messages stored in mailboxes and retrieved using the POP3 protocol will be devoid of the important routing information (often called the message's "envelope") that would ordinarily be supplied had the messages been delivered using the SMTP protocol. This is because POP mailboxes are traditionally meant to be associated with an individual rather than with an entire domain or multiple users—everything in the mailbox is assumed to be intended for the same recipient and therefore the initial routing information is no longer needed. Without this routing information, SecurityGateway is forced to use a set of parsing options to examine each message's headers in an attempt to determine the intended recipient. Messages with headers found to contain valid recipients at the associated SecurityGateway domain will be delivered. Messages without any valid recipients will be removed from the POP mailbox and deleted from SecurityGateway.
The Remote POP Accounts page lists one entry per row and has five columns: Enabled, Description, Host, Port, and Domain. For detailed information on each of these items and on creating and editing POP account entries, see the Edit POP Account screen.
The toolbar at the top of the page contains the following five options:
New
Click New to open the New POP Account screen, used for creating a new POP account entry. This screen is identical to the Edit POP Account screen.
Edit
Use the toolbar's Edit button to open the Edit POP Account screen corresponding to the entry currently selected in the list. Alternatively, you can also open the screen by double-clicking an entry.
Delete
To delete one or more POP accounts, select the entries from the list and then click Delete. A box will open asking you to confirm the decision to delete the entries. You can select multiple entries by using the Ctrl and Shift keys.
Check Now
Click this button to immediately check the selected POP accounts for new messages.
For Domain:
Use the For Domain: drop-down list box to choose which POP accounts to display in the list. By default all accounts are displayed, but you can choose a specific domain from the list to display only that domain's POP account entries.
