E-mail Retrieval Method

You can specify to receive e-mail using one or both of the following methods:

  • Microsoft Connector for POP3 Mailboxes
  • Simple Mail Transfer Protocol (SMTP) using Exchange

Use the Microsoft Connector for POP3 Mailboxes

Select this option to download e-mail from POP3 (Post Office Protocol 3) mailbox accounts at an Internet service provider (ISP), and then redirect that e-mail to specific mailboxes on Exchange. Using the connector provides the following advantages:

  • All e-mail for a user is delivered to a single mailbox. Users will not need to check both their POP3 e-mail and their Exchange mail; they can check just their Exchange mail. This also makes it easier to back up and restore mailboxes.
  • Since the POP3 e-mail is delivered to an Exchange mailbox, it can now be accessed using Outlook Web Access when users are away from the office.

Use Exchange

Select this option to receive e-mail from the Internet using SMTP. You must also specify the type of retrieval method to use, and then ask your ISP to create the necessary mail exchanger (MX) resource records. This is the standard method for receiving e-mail over the Internet.

 

Retrieval method Description

E-mail from the Internet is delivered directly to my server

Click if your ISP does not hold e-mail in queue for Exchange. Your ISP will forward incoming e-mail to Exchange as soon as it is received.

E-mail from the Internet is held at my ISP until my server sends a signal

Click if Exchange must notify your ISP that it is online and ready to receive e-mail before e-mail is transferred. Your ISP holds incoming e-mail until your ISP's e-mail server receives a signal from Exchange.

Specify the Domain Name System (DNS) name or the IP address of your ISP's e-mail server to which Exchange will send its signal, and then select the type of signal to send.

  • ETRN. The basic signal method used by most ISPs. In many cases, ETRN requires that Windows Small Business Server use a static IP address assigned by your ISP for your dial-up modem or dial-on-demand router.
noteNote
ETRN is a common scenario for Internet connections using dial-on-demand routers with static IP addresses.
  • TURN after Authentication. TURN allows your ISP to support e-mail delivery to a dynamic IP address.
    If you select this option, you will need to provide the user name and password used to authenticate Exchange to your ISP on the next page of the wizard.
ImportantImportant
Verify with your ISP the type of signal you should use. If an incorrect signal type is selected, e-mail is not delivered from your ISP.

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