The Showdown
Microsoft ExchangevsCitadel-Email-Server-Setup
Why pay monthly fees for Microsoft Exchange when you can self-host Citadel-Email-Server-Setup for free? Let's look at the facts.
VS
Microsoft Exchange
The Expensive Option
- Closed Source (Black box)
- Expensive monthly fees per user
- Data stored on their servers
WINNER
Citadel-Email-Server-Setup
The Freedom Choice
- 100% Open Source Code
- Free forever (Self-hosted)
- You own your data completely
Interactive Calculator
Calculate Your "SaaS Tax"
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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
Calculations based on 10 users at $12/mo.
Detailed Breakdown
0
Cloud Data Centers
Local RPI4
1
Monthly per-user
One-time hardware
2
Public Internet
LAN/VPN