⚡ 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.

Statistics based on 87K+ analyzed websites. About this data

⭐ 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 68.8% share.
It is followed by Horde with 12.5% and Outlook on the web with 6.3%.

Roundcube 68.8%
Horde 12.5%
Outlook on the web 6.3%
RainLoop 6.3%
SOGo 6.3%

🚀 Highlights

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

2. Horde ^(-4)
4. RainLoop ^(-1)
5. SOGo ^(-2)

✨ 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 Stuttgart, Germany A browser-based multilingual IMAP client that provides full email access through a web interface with an application-like user experience. FreeOpen source$$$	68.8%
2	Horde Atlanta, Georgia, United States An open-source web-based groupware. FreeOpen source	12.5%
3	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.	6.3%
4	RainLoop An open-source, web-based email client that is no longer being maintained. FreeOpen sourceLegacy	6.3%
5	SOGo Grenoble, France An open-source groupware server that provides a rich web interface and supports multiple native clients. FreeOpen source	6.3%

👉 See Also

🌎 Webmail in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 87,347 websites from Spain.
We currently track the presence of 8 webmail software solutions across the web.
Of these, 5 were detected on websites from Spain.
Statistics were last calculated on May 6, 2026.
For more details, see our methodology and disclaimer.