Alternatives toPostbox

Best alternatives to Postbox in 2026

Postbox is "Powerful, simple and beautiful email client, need to pay for a license.". If you are looking for an alternative to Postbox in 2026 — whether for pricing, features or compatibility reasons — mySelectas has curated the 5 best options available. The most popular alternatives include: Thunderbird, Gmail. All these solutions are listed in the Informatique category.

Quick comparison of Postbox alternatives

#ToolBest forPrice
1b1gMailDéveloppeurs—
2debugmail.ioDéveloppeurs—
3ThunderbirdGrand public—
4MySigMailProfessionnels | Freelancers—
5GmailGrand public—
#1
Preview of b1gMail↗ Visit
b1gMail
Informatique🌐 EN

Complete email solution that runs on any webspace with PHP and MariaDB. It supports POP3 catchall mailboxes and can also integrate with Postfix or b1gMailServer if you're running your own server. ([Source Code](https://codeberg.org/b1gMail/b1gMail), [Clients](https://www.b1gmail.eu/en/start/addon-b1gmailserver/)) `GPL-2.0` `PHP`

#email#php#mysql#communication - email - comple#hebergement
b1gmail.eu
📄 Full details →
👥 Target audience

Développeurs

🌍 Target countries

Monde

🗣️ Available languages
FREN
🔄 Alternatives
GmailZoho Mail
🔗 Visit b1gMail
#2
#3
#4
#5

FAQ about Postbox alternatives

What is the best alternative to Postbox in 2026?
Based on our selection, b1gMail is the best alternative to Postbox in 2026. Complete email solution that runs on any webspace with PHP and MariaDB. It supports POP3 catchall mailboxes and can also integrate with Postfix or b1gMailServer if you're running your own server. ([Source Code](https://codeberg.org/b1gMail/b1gMail), [Clients](https://www.b1gmail.eu/en/start/addon-b1gmailserver/)) `GPL-2.0` `PHP`. See our full ranking above to compare all options.
Is Postbox free?
Postbox is a paid tool. Several alternatives in our selection offer free or freemium versions.
How many alternatives to Postbox are there?
mySelectas has listed 5 alternatives to Postbox in the Informatique category. Our selection is updated regularly to include the best options available.

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