Exchange 2003 Security: Anti-spam with filters

Source: Internet
Author: User
Tags add mail domain domain name

With the popularization of e-mail, in order to make users better use of mailbox resources, a key issue is how to deal with a lot of junk mail.

Spam is the result of a message that is not intended to be a user. It not only affects the user's normal lookup. More on the server caused significant harm, mainly in the increase of server, network consumption and occupy disk space. For most businesses, the main problem with mail is how to allow normal e-mail to pass in and intercept spam. This requires the right way to combat spam in an Exchange Server environment.

Microsoft Exchange Server 2003 with SP2 uses a variety of filtering methods to reduce junk e-mail. These methods are layered anti-spam solutions, and Exchange 2003 provides a range of spam protection against frame connection levels: IP connection filtering, real-time block list, protocol level protection, recipient and sender blocking, sender ID, content level protection, exchange Intelligent Message Filter, Outlook 2003, and Outlook Web Access junk e-mail.

This article is primarily about defending against spam with some of the anti-spam frameworks provided by the Exchange mail server, and how to use these filters.

One, sender screening

1, in the "Start-Program" Inside the Exchange manager, the following steps: Global Settings--Message delivery--Properties--sender filtering. (as shown in Figure 1)


Figure 1

2, choose to Add. The Add Sender dialog box pops up. Here we can block a single sender address, or block an SMTP domain, and prevent an SMTP domain from being filled in @test. COM (@ followed by your domain name). (as shown in Figure 2)


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