Mailcow
Mailcow is an open-source groupware and email suite based on 
Docker.
According to our data, Mailcow is the third most popular webmail software on the web.
It has 13.7% of the webmail market share and is present on 0.004% of all websites.
It is especially popular in Germany, appearing on 0.02% of all websites in the country.
- 🏠 Website
- </> Source code
- 👨👩👦👦 Community
💸 Pricing
Mailcow is available for free.
📊 Rankings and Market Share
- Webmail
- Rank: 3
- Market share: 13.7%
⚡ Sites Powered by Mailcow
We have data on 146 websites that use the Mailcow webmail software. Here is a list of some of the top ranked ones.
The highest rated site using Mailcow is sdm-mkt.com.
| # | Website | Rank | Country | Language |
|---|---|---|---|---|
| 1 | #2,649,805 | Indonesia | British English | |
| 2 | #3,756,804 | Malaysia | British English | |
| 3 | Czech Republic | British English | ||
| 4 | South Africa | |||
| 5 | Indonesia | British English | ||
| 6 | Japan | British English | ||
| 7 | United Kingdom | British English | ||
| 8 | South Africa | British English | ||
| 9 | Germany | British English | ||
| 10 | Germany | British English | ||
| 11 | Switzerland | British English | ||
| 12 | Bangladesh | British English | ||
| 13 | Germany | British English | ||
| 14 | France | British English | ||
| 15 | South Africa | British English | ||
| 16 | United Kingdom | British English | ||
| 17 | Germany | British English | ||
| 18 | South Africa | British English | ||
| 19 | Switzerland | British English | ||
| 20 | Indonesia | British English |
📈 Usage Statistics
Most of the sites that use Mailcow:
- are located in Germany
- have content in English
- use the .com domain extension
- fall into the Business category.
Most of the sites using Mailcow are from Germany, the United Kingdom, and France.
- Germany 26.7%
- United Kingdom 11%
- France 7.5%
- Russia 5.5%
- United States 4.1%
- Austria 3.4%
- South Africa 3.4%
- Indonesia 2.7%
- Kazakhstan 2.7%
- Other 33%
Most Mailcow users speak English.
- English 99.3%
- Ukrainian 0.7%
The Mailcow webmail software is especially popular on .com and .de top-level domains.
- .com 25.3%
- .de 15.8%
- .net 3.4%
- .org 3.4%
- .email 3.4%
- .ru 3.4%
- .it 2.7%
- .kz 2.7%
- .eu 2.1%
- Other 37.8%
The primary market segments for websites utilizing Mailcow include business and general news.
- Business 50%
- General News 50%
🕵️ Similar Technologies
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💬 Frequently Asked Questions
Where is Mailcow from?
Mailcow is from Willich, Germany.
Can I use Mailcow for free?
Yes, it is a free webmail software solution.
It is also open source, and its code is available on 
GitHub.
Which country uses Mailcow the most?
The majority of Mailcow users are from Germany.
Who uses Mailcow?
According to our data, Mailcow is used on over a hundred sites, including sdm-mkt.com,
zojirushi.com.my, and
albumarium.com.
How does Mailcow compare to its competitors?
Mailcow is one of the most popular webmail software, second only to 
Roundcube and 
Outlook on the web.
What are the alternatives to Mailcow?
Alternatives and possible competitors to Mailcow may include Roundcube, 
SnappyMail, and SOGo.
👉 See Also
- ✨ Related technologies
Memcached🗃️ 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 3,976,354 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.