G

Email Server Software

grommunio

grommunio.com · checked 21 Oct 2026

#22 · Email Server Software
Visit grommunio.com ↗ Alternatives grommunio vs Microsoft Exchange Online

How it plugs in

—Public API
NoOpen source
YesFree tier

Signal on Email Server Software5.6#22 of 33

grommunio home page

Pricing

  • CommunityUp to 5 usersOn request
  • BasicFrom 6 users€1.99/mo
  • PlusFrom 6 users€3.99/mo
  • BusinessFrom 50 users€5.49/mo
  • EnterpriseFrom 1,000 usersOn request

As grommunio.com lists them, checked 4 Oct 2026.

Near it

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