Control Outbound Senders (WebUI Method)
- Open Tools & Utilities ➜ Spam AutoShield Tools.
- Select Block / Unblock Outgoing Spam Email.
- Enter the mailbox you want to block/unblock.
- Click Block Email to stop that user from sending mail or Unblock Email to restore service.
This protects your reputation by preventing compromised accounts from sending spam through your servers.
Tip: Enable the Spam AutoShield Outbound Limits module by setting SPAM_AUTOSHIELD_LIMITS to On in the settings page. Adjust the limits (MAX_SMTP_MSGS_PER_HOUR and MAX_WEB_MSGS_PER_HOUR) as needed, and cPFence will automatically block spammers permanently.
Command Line (CLI) Method
- SSH into the server.
- Block outbound mail:
cpfence --add-spam-autoshield-out-email [email protected] - Unblock later:
cpfence --del-spam-autoshield-out-email [email protected]
Reset the user’s password and scan their workstation before unblocking.
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