How many companies use HSTS vs SMTP2GO?

216,584 companies use HSTS and 6,863 companies use SMTP2GO in our database. HSTS is more widely adopted with 31.6x more companies than SMTP2GO.

Can I get a list of companies using both HSTS and SMTP2GO?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

HSTS is used by 216,584companies — 31.6x more than SMTP2GO (6,863).

216,584 use HSTS6,863 use SMTP2GO

	HSTS	SMTP2GO
Companies	216,584	6,863
Category	Security	Other

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223,447 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=hsts

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