A breakdown of the 8 companies running Ability Mail Server.
Top industries
Information technology and services3
Media and telecommunications2
Art, sports and recreation1
Industrial and manufacturing1
Not for profit1
Company size
11–502 (33%)
251–5002 (33%)
1,001–5,0001 (17%)
10,001+1 (17%)
Share of companies with a recorded size, by employees.
No size recorded: 2
Versions detected
3 versions across the confirmed companies. Counts are distinct companies seen running that version.
2.622
2.722
1.171
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Frequently asked questions
About the Ability Mail Server data on this page.
How many companies use Ability Mail Server?
Firmable holds confirmed Ability Mail Server detections for 8 distinct companies, 8 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Ability Mail Server?
Telstra International, Telstra and HGC Global Communications are among the most prominent in the current set.
What industries use Ability Mail Server?
Information technology and services, media and telecommunications and art, sports and recreation lead the set, across 7 industries in total.
What size companies use Ability Mail Server?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Ability Mail Server users based?
The United States, Australia, Singapore and Canada account for most detections, across 13 countries.
How current is this data?
8 companies were confirmed in the last 90 days. Last detection 12 October 2026.
