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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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Proxmox Mail Gateway | Star Stack

Services
Proxmox Mail Gateway

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Proxmox Mail Gateway

Name: Proxmox Mail Gateway
Author: Star Stack

Open-source email security gateway for spam and virus protection

Visit Website GitHub

About

Proxmox Mail Gateway is an open-source email security platform that filters incoming and outgoing traffic for spam, viruses, and malware. It deploys as a flexible software appliance between your firewall and mail server, supporting any mail transfer agent.

Resources

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Sovereignty Score

Recorded assessment version: jurisdiction-ownership-2026-10-04

out of 100

Data completeness50% (Partial)

Jurisdictional(56%)

100

Excellent jurisdictional protection with EU-only legal exposure

Jurisdiction: Austria (EU member)
No foreign parent provider

Ownership(44%)

Strong EU ownership and control

Bootstrapped (self-funded)
Bootstrapped stage
Low acquisition risk (bootstrapped, no investor pressure) (No VC exit timeline, founders retain full control)

More dimensions coming soon

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PortabilityComing soon

LicenseComing soon

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Provider

Proxmox Server Solutions GmbH

Quick Facts

Legal jurisdiction: Austria, EU
Headquarters: Austria, EU
Ownership: Bootstrapped
Deployment: SaaS

Evidence and freshness

Verification date unknown. This assessment needs review.

A score is an assessment of recorded facts. Missing evidence and unresolved ownership can affect the result.

hqCountry: other
Retrieved 30/01/2026, confidence 95%.
Read evidence excerpt
Proxmox Server Solutions GmbH located in Vienna, Austria at Bräuhausgasse 37, 1050 Vienna
hqCountry: other
Retrieved 30/01/2026, confidence 95%.
Read evidence excerpt
Proxmox Server Solutions GmbH located in Vienna, Austria at Bräuhausgasse 37, 1050 Vienna