Email Marketing Campaigns in Gmail: Gumbamail · Version history

Send email marketing campaigns without leaving Gmail. Gumbamail is your simple tool for scheduling and sending mass emails.

  1. 1.9.8Oct 29, 2026MV3
  2. 1.9.6Sep 16, 2026MV3
  3. 1.9.2Aug 11, 2025MV3
  4. 1.9.0Aug 1, 2025MV3
  5. 1.8.8Jun 6, 2025MV3
  6. 1.6.7Sep 4, 2023MV3

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