A breakdown of the 21K+ companies running Dovecot (Pigeonhole Sieve).
Top industries
Information technology and services3.3K+
Professional and business services2.5K+
Art, sports and recreation1.6K+
Industrial and manufacturing1.5K+
Construction and building1.1K+
Media and telecommunications1K+
Education and training1K+
Hospitality and travel834
No industry recorded: 3.4K+
Company size
1–103,410 (33%)
11–503,353 (33%)
51–2502,264 (22%)
251–500654 (6%)
501–1,000187 (2%)
1,001–5,000284 (3%)
5,001–10,00052 (1%)
10,001+62 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 11K+
Versions detected
1 versions across the confirmed companies. Counts are distinct companies seen running that version.
1.07.5K+
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Frequently asked questions
About the Dovecot (Pigeonhole Sieve) data on this page.
How many companies use Dovecot (Pigeonhole Sieve)?
Firmable holds confirmed Dovecot (Pigeonhole Sieve) detections for 21,526 distinct companies, 21,526 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Dovecot (Pigeonhole Sieve)?
Vital Farms, T&M Associates and Connecticut State Community College are among the most prominent in the current set.
What industries use Dovecot (Pigeonhole Sieve)?
Information technology and services, professional and business services and art, sports and recreation lead the set, across 19 industries in total.
What size companies use Dovecot (Pigeonhole Sieve)?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Dovecot (Pigeonhole Sieve) users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
21,526 companies were confirmed in the last 90 days. Last detection 14 October 2026.
