Side by side
Pandora Mail vs SquirrelMail
Both stand on email clients. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Windows
Pandora Mail offers extensive Windows mailbox and message controls with multiple security and storage formats. Decide whether Demo-Mode’s limits or Full-Mode registration fit your use.
Visit Pandora Mail Free plan Self-hostedWeb
SquirrelMail offers a no-license-fee webmail package with familiar email functions and extensive plugin customization. It requires administrators to host and connect the software, and the listed security notice deserves attention before deployment.
Visit SquirrelMailThe facts
| Pandora Mail | SquirrelMail | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Windows | Self-hosted, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 1 |
| Maker | Not published | SquirrelMail |
| Website | pandoramail.com | squirrelmail.org |
| On email clients | #96 of 142 | #100 of 142 |
Pandora Mail: what it does well
- Unified inbox for multiple accounts
- Supports HTML and plain-text composition
- OAuth2 for Yahoo and Gmail
- S/MIME end-to-end encryption listed
- 32-bit, 64-bit, and portable options
What to know first
- Windows desktop coverage only
- Free Demo-Mode has limited features
- Full-Mode requires registration
SquirrelMail: what it does well
- Free GPL license with no license fees
- Built-in IMAP and SMTP support
- MIME, address books, and folder tools
- 231 plugins across 14 categories
- Works without requiring JavaScript
What to know first
- Requires self-hosted PHP web server
- Needs access to an IMAP4rev1 server
- Stable download listed as version 1.4.22
- Security page lists a 2025 XSS vulnerability
Alternatives to Pandora Mail Alternatives to SquirrelMail The whole list