MI

Email Collaboration Software

Mailbutler Inbox Collaboration

mailbutler.io · checked 4 Oct 2026

How it plugs in

—Public API
NoOpen source
YesFree tier

Signal on Email Collaboration Software5.3#25 of 35

Mailbutler Inbox Collaboration home page

Pricing

  • StarterMonthly billing; pricing page also offers yearly billing. · Email tracking · Message templates · Mail merge$5/mo
  • ProfessionalMonthly billing · Email assignments · Collaborator status · Shared notes and tasks · Tags · Automations$9/mo
  • SmartMonthly billing · Inbox Collaboration · AI email composition and improvement · Smart task finder · Email tracking$14/mo
  • BusinessMonthly billing · Inbox Collaboration · CRM tracking data sync · Custom subdomain · Custom SMTP$32/mo

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