Google Message Security for Google Apps Administration Gu Manual de usuario descargar pdf (Pagina 280)

280 Message Security for Google Apps Administration Guide

Scanning Options

Binary scanning is an optional method for identifying file attachments; it identifies

an attachment by checking its binary content instead of the file extension. You can

enable binary scanning from the Attachment Manager Filters page. When you

enable binary scanning, Attachment Manager will then use binary scanning to

identify file types for all of your filters (Custom File Types, System Threats, and

Productivity filters).

See “Attachment Identification Methods” on page 272 for more information. (Note

that binary scanning now identifies Microsoft Office 2007 file types.)

The “Scan inside compressed file types” check box is selected by default, and we

recommend that you leave this feature ON.

Note: For “Encrypted” compressed file scanning to work correctly (under System

Threats), you must turn ON “Scan inside compressed file types.” If you clear this

check box, the disposition settings for Encrypted file types will be grayed out.

Message Size Filter

Enter a value from 1 to 20 MB. The message size limit for Gmail in Google Apps is

20 MB. You can use the Attachment Manager message size setting to lower the

20 MB limit (but not raise it). When an attachment exceeds the size limit, the

message is bounced, and the sender receives the SMTP error message,

552

Message too large - psmtp

The Message Size filter is always on, even when Attachment Manager’s Filter

Status is Off. This policy applies to all traffic, including mail which is not filtered for

spam and viruses. ote that if a different size limit has been set and Filter Status is

set to Off, then the set Message Size limit will apply.)

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Google Message Security for Google Apps Administration Gu Manual de usuario Pagina 280