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Creating Antispam Profiles

Use the Create Antispam Profiles page to configure antispam profiles.

E-mail spam consists of unwanted e-mail messages usually sent by commercial, malicious, or fraudulent entities. When the device detects an e-mail message deemed to be spam, it either blocks the message or tags the message header or subject field with a preprogrammed string. Antispam filtering allows you to use a third-party server-based spam block list (SBL) and to optionally create your own local allowlists (benign) and blocklists (malicious) for filtering against e-mail messages.

Note Sophos updates and maintains the IP-based SBL. Antispam is a separately licensed subscription service.

After you create an antispam profile, you can assign it to UTM profiles.

Procedure

To create an antispam profile:

  1. Select Configuration > Unified Threat Mgmt > Antispam Profiles in Customer Portal.

    The Antispam Profiles page appears.

  2. Click the add icon (+) to create a new antispam profile.

    The Create Antispam Profiles wizard appears, displaying brief instructions about creating an antispam profile.

  3. Complete the configuration according to the guidelines provided in Table 210.

    Note Fields marked with * are mandatory.

  4. Click OK save the settings and create the profile.

    A message indicating the status of the create operation is displayed. You are returned to the Antispam Profiles page.

Table 210: Antispam Profile Settings

Setting

Guideline

General Information

Name

Enter a unique name for the antispam profile. The maximum length is 29 characters.

Description

Enter a description for the antispam profile. The maximum length is 255 characters.

Sophos Blacklist

Select this check box (the default) to use server-based spam filtering. If you clear the check box, local spam filtering is used.

Server-based antispam filtering requires Internet connectivity with the spam block list (SBL) server. Domain Name Service (DNS) is required to access the SBL server. The firewall performs SBL lookups through the DNS protocol.

Note: Server-based spam filtering supports only IP-based SBL blocklist lookup. Sophos updates and maintains the IP-based spam block list. Server-based antispam filtering is a separately licensed subscription service.

Action

Default Action

Select the action to be taken when spam is detected:

  • Tag Email Subject Line

  • Tag SMTP Header

  • Block Email

  • None

Custom Tag

Enter a custom string for identifying a message as spam. The maximum length is 512 characters and the default is ***SPAM***.

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