System Requirements

InterScan Messaging Hosted Security does not require additional hardware (other than your mail gateway) located on your premises. All scanning hardware is located offsite at Trend Micro’s secure network operating centers. To access your local InterScan Messaging Hosted Security administration account, a personal computer with access to the Internet is required.

Software Required for Accessing Your Account

To access your InterScan Messaging Hosted Security account, one of the following browsers (1) is required for the Web console.

  • Microsoft™ Internet Explorer 6.0
  • Mozilla™ Firefox™ 1.0.7

Onsite Network

The following are required before InterScan Messaging Hosted Security can be activated:

  • An existing Internet gateway or workgroup SMTP connection
  • Access to the DNS mail exchange record required to redirect the MX mail host record.

Contact your service provider, if necessary, for more information or configuration help.

Default InterScan Messaging Hosted Security Settings

To ensure high-quality continuous service and to protect your network from common SMTP attacks such as mail floods and Zip of Death, service system limitations by default include the following:

  • Message size limits: 50 MB per message (the default is 10 MB for new accounts (2))
  • Recipient limits: 100 addresses (the default is 50 addresses for new accounts (3))
  • Total embedded layers within a compressed file: 20 layers
  • Total decompressed message size: 30 MB
  • Total files in a compressed archive: 250 files

(1) Requires enabling JavaScript™ and Sun™ Java™ Runtime Environment (JRE) 1.4 or higher.
(2) Depending on the required service level, the message size limit may be extended up to the system-level protection default.
(3) Depending on the required service level, the message recipient limit may be extended up to the system-level protection default.

 

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