Expertise level: Medium
Email abuse is easily mitigated with cPanel's WHM interface. Here are five steps to take appropriate preventative measures to prevent abuse:
- Enable WHM's SMTP restrictions
- Preventing the 'nobody system user' from sending email
- Enable suPHP and suExec or mod_ruid2
- Configure the max hourly email setting
- Configure high failure rate protection
Implementing all five of these strategies will provide the most optimal outcome.
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