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OS.ST Email Virtual Hosting

Professional business email on your own domain — native Linux 64-bit enterprise platform, exclusive MailFROM anti-spoofing, AI-powered spam detection and calendar, managed end to end.

🖥️ Enterprise email on a native Linux 64-bit foundation

OS.ST Email Virtual Hosting runs your company mail on native Linux 64-bit enterprise servers — stable, reliable, the same platform we have operated for businesses since 2000.

🛡️ Protected by MailFROM — an OS.ST exclusive

MailFROM is our exclusive anti-spoofing technology: nobody — including your own staff — can send mail that falsely appears to come from your domain. Phishing bait and fake invoices are stopped at the front door.

🧹 Clean inboxes, wherever you read mail

  • Exclusive AI spam detection — only in the latest XMail Management Console, learning new threats as they appear
  • Anti-spam with RBL and SPF filtering, applied before mail ever reaches you
  • POP3 / IMAP4 / SMTP plus webmail — read and send from any device
  • Calendar and contacts kept in sync
  • admin@domain — as domain administrator, open and read any user's webmail in real time from the XMail Management Console; oversight without leaving the console
  • Daily monitoring: we fix problems before you notice them