The Showdown

Microsoft Exchangevscarbonio-mailbox

Why pay monthly fees for Microsoft Exchange when you can self-host carbonio-mailbox for free? Let's look at the facts.

Microsoft Exchange

The Expensive Option

  • Closed Source (Black box)
  • Expensive monthly fees per user
  • Data stored on their servers
WINNER

carbonio-mailbox

The Freedom Choice

  • 100% Open Source Code
  • Free forever (Self-hosted)
  • You own your data completely
Interactive Calculator

Calculate Your "SaaS Tax"

SaaS pricing is designed to scale with your success. See how much wealth transfers from your bank account to Microsoft Exchange's shareholders.

10 people
150100200+
$

*Estimated standard pricing for Microsoft Exchange. Adjust if needed.

Estimated Annual Waste
$1,440
Monthly Burn Rate$120
5-Year Projection$7,200
Cost with Self-Hosted$0
Start Saving Today

Calculations based on 10 users at $12/mo.

Detailed Breakdown

0
Public cloud
On-premise/Private cloud
1
Tiered pricing
Horizontal clustering
2
Restricted Graph API
Native API access