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poste.io vs Zimbra Collaboration

Both stand on Email Server Software: poste.io at #15, Zimbra Collaboration at #16.

PI

poste.io

poste.io VS ZC

Zimbra Collaboration

zimbra.com

The facts side by side

  • Free tier · from $349/yrPriceFree tier
  • —Public API—
  • —Open source—
  • YesFree tierYes
  • —Free trialYes
  • ✓Web✓
  • —Windows✓
  • —Mac✓
  • ✓Linux✓
  • —iOS✓
  • —Android✓
  • #15Standing on Email Server Software#16