Clutter free and safe inboxes

  • Integrated anti-virus (option)
  • Standard spam filter (SpamAssassin with SURBL)
  • Advanced spam filter: Kerio Anti-spam (powered by Bitdefender) (option)
  • Spam repellent (SMTP greeting delay)
  • Internet and custom blacklists
  • Greylisting
  • Anti-spoofing (SPF)
  • Attachment filtering
  • Server based filtering rules
  • Message size limits

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