Whenever a message matches the requirements of any of SecurityGateway's Blocklists, the action that will be taken is determined by the settings on this page. By default the message will be refused during the SMTP session, but you can change that setting so that it will be quarantined instead. The action can be set globally and for specific domains. To configure this setting for a specific domain, choose that domain from the For Domain: drop-down list box at the top of the page, choose your setting, and then click Save.
Configuration
Allowlist match takes precedence over blocklist match
Check this box if you wish to give precedence to the allowlist match when a messages matches both an allowlist and blocklist. By default this option is disabled, meaning that if a message matches both an allowlist and blocklist, then precedence is given to the blocklist. In that case the message would be refused or quarantined, depending on your If a message matches a blocklist setting below.
If a message matches a blocklist:
This is the action that will be taken when an incoming message is from a blocklisted sender.
...Refuse the message
When this option is selected, the blocklisted sender's message will be refused during the SMTP session. This option is selected by default.
Disconnect from the sending server
By default when a message is refused the SMTP session will be allowed to continue normally. Click this checkbox if you instead would like the session to be ended immediately. SecurityGateway will disconnect from the sending server immediately after the message is refused.
...Quarantine the message
Choose this option if you wish to quarantine messages from blocklisted senders instead of refusing them.
Exceptions - Domains
If you select a specific domain in the "For Domain:" drop-down list box at the top of the page when configuring these settings, that domain will be listed here after saving the settings. Click the View/Edit link for the corresponding domain to review or edit its Blocklist Action settings, or click Reset to reset the domain's settings to the default Global values.
