Sendmailrevenue & acquisition
Cloud Email Security SolutionsWestminster, ColoradoFounded 1998
Sendmail was acquired by Proofpoint, Inc.
Sendmail is a Cloud Email Security Solutions company based in Westminster, founded in 1998.
Sendmail revenue
Sendmail's annual revenue was $236.9K in April 2021, its last figure before Proofpoint, Inc bought it (source not recorded).
| As of | Revenue | Source |
|---|---|---|
| Apr 2021 | $236.9K | – |
– source not recorded
Who owns Sendmail
Proofpoint, Inc owns Sendmail. The date and price of the deal are not on record.
Sendmail CEO, founders & employees
Donald Massaro founded Sendmail in 1998 and led it as CEO. Sendmail had 13 employees (April 2021).
- Donald MassaroFounder & CEO
Sendmail FAQ
What was Sendmail's revenue?
Before Proofpoint, Inc bought it, Sendmail's annual revenue was $236.9K in April 2021 (source not recorded).
Who owns Sendmail?
Proofpoint, Inc owns Sendmail.
How many employees does Sendmail have?
Sendmail had 13 employees in April 2021.
Who founded Sendmail?
Donald Massaro founded Sendmail in 1998.
Browse Cloud Email Security Solutions
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How this page is sourced
Founder figures link to the second they were said; public figures name their source; estimates are marked EST and say whose they are. Not financial advice.
Updated Aug 10, 2026Data disclaimerReport a correctionClaim this profileRun Sendmail? Join the podcast