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Email Server Software

Whitemail

whitemail.io · checked 21 Oct 2026

#23 · Email Server Software
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How it plugs in

—Public API
NoOpen source
YesFree tier

Signal on Email Server Software5.1#23 of 33

Whitemail home page

Pricing

  • BasicUp to 100 usersOn request
  • ProfessionalUp to 300 usersOn request
  • PremierUp to 1,000 usersOn request
  • Enterprise1,000+ users · Unlimited scaleOn request

As whitemail.io lists them, checked 4 Oct 2026.

Near it

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