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FAQs

  • How can I change how long undeliverable messages stay in the queue? +

    By default, a message that is not deliverable will stay in the Postfix queue for 5 days with the sender Read More
  • How often should I update the ClamAV virus definitions database? +

    Normally once or twice a day will be more than enough. Updating more often only puts unnecessary load on the Read More
  • Although I have enabled authentication, my clients cannot authenticate from outside my network. Why? +

    If you are sure that authentication works as expected while inside your network, chances are it is a firewall issue. Read More
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