3).
Using Forefront to Guard Microsoft Exchange Server ??? Chapter 5 203
For each of the Scan Jobs, you can specify the deletion text that is used when
an attachment is removed and replaced with a text fi le containing the specifi ed text.
To allow for e-mail-specifi c information to be entered, there are a number of keyword
substitution macros available.
Keyword substitution macros can be inserted by right-clicking in the Edit Text
fi eld and selecting Paste Keyword, and then selecting the Macro to insert.
Transport Scan Job
The Transport Scan Job is used to process messages on servers running the Edge or
Hub Transport Roles. This can be confi gured to process inbound, outbound and/or
internal e-mail. The option to scan internal messages is available on servers running
the Edge role, even though Internal mail should not reach the Edge.
Figure 5.3 Scan Jobs
204 Chapter 5 ??? Using Forefront to Guard Microsoft Exchange Server
The other confi gurable option is the tag text, which is used when keyword fi ltering
is enabled for the Scan Job. Tag text allows for a subject line text and header tag text
to be specifi ed. These are applied to an e-mail when it triggers a keyword match, and
the action is set to tag the message.
Real Time and Manual Scan Jobs
The Real Time and Manual Scan Jobs are used to process messages on the servers
running the mailbox role. These will process messages that have not previously be
scanned.
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