Specifying Message Rules Parent topic

Procedure

  1. Go to Administration → IMSS Configuration → SMTP Routing.
  2. Click the Message Rule tab.
    The Message Rule screen appears.
  3. Specify the Message Limits settings:
    • Maximum message size: Specify the number of megabytes.
    • Maximum number of recipients: Specify the number of recipients from 0 to 99999.
  4. Specify the Incoming Message Settings.
    IMSS relays the messages to the added domains.
    Tip
    Tip
    When importing, import both the exact domain and all sub-domains for best results.
    The following shows sample content of a domain list text file:
    • domain.com: Imports the exact domain
    • *.domain.com: Imports all sub-domains
    • domain.org: Imports the exact domain
  5. Specify the Permitted Senders of Relayed Mail.
    • Host only
    • Same subnet as the host
    • Same IP class as the host
    • Specified IP addresses
  6. Click Save.
    Tip
    Tip
    For security reasons, Trend Micro recommends that you avoid open relay when configuring the message rule settings. For more information on how to avoid open relay, refer to the Online Help and the FAQ section in this manual.