⚡ Webmail in Spain

Webmail software lets users access and manage email directly through a web browser.

Spain is a Southern European country with a population of around 48 million people.

According to our statistics, webmail software is used on 0.02% of websites from Spain.

⭐ Most Popular in 2026

The following chart shows the top webmail software in Spain in 2026, based on market share.

The most popular is Roundcube, which dominates the market with an overwhelming 73.3% share.
It is followed by Outlook on the web with 6.7% and RainLoop with 6.7%.

Roundcube 73.3%
Outlook on the web 6.7%
RainLoop 6.7%
Horde 6.7%
SOGo 6.7%

🚀 Highlights

Here is a list of the top software that is more popular in Spain than worldwide.
Differences between global and country rankings are shown in parentheses.

3. RainLoop ^(-1)
4. Horde ^(-1)
5. SOGo ^(-1)

✨ Best Webmail Software

Below is a more detailed list of 5 webmail software solutions used on sites from Spain, ranked by their market share.

Rank	Name	Market share
1	Roundcube A browser-based multilingual IMAP client. FreeOpen source$$$	73.3%
2	Outlook on the web Redmond, Washington, United States A web-based app included in Microsoft 365 that allows users to access their email, calendar, and contacts.	6.7%
3	RainLoop An open-source, web-based email client that is no longer being maintained. FreeOpen sourceLegacy	6.7%
4	Horde Atlanta, Georgia, United States An open-source web-based groupware. FreeOpen source	6.7%
5	SOGo Grenoble, France An open-source groupware server that provides a rich web interface and supports multiple native clients. FreeOpen source	6.7%

👉 See Also

🌎 Webmail in other countries

Data is based on the analysis of 84,980 websites from Spain.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.