Category
Productivity
Key features
Email open and click tracking
Mail merge with smart timing
Follow up reminders
01 — Overview
What is
Mailbutler
Mailbutler is an email extension that adds tracking, mail merge and collaboration tools to Gmail, Outlook and Apple Mail. Sales and client facing teams use it to see opens and clicks, send personalized mail merges at the right time, set follow up reminders and share or assign emails in a team inbox. It also manages branded email signatures with calls to action and includes an AI assistant that drafts replies and summarizes threads.
02 — Who it’s for
Ideal Customer Profile
Suited to sales reps, account managers, solo professionals and small to mid-sized teams who live in their inbox and want tracking and follow ups without leaving Gmail, Outlook or Apple Mail.
03 — Capabilities
Key Features
Email open and click tracking
Mail merge with smart timing
Follow up reminders
Shared inbox assignments and notes
Signature marketing
AI email assistant
05 — Similar tools
Alternatives
Boomerang
Email scheduling and reminders for Gmail and Outlook
Yesware
Sales email tracking inside Gmail and Outlook
Mixmax
Email tracking, sequences and scheduling in Gmail
GMass
Email campaigns and mail merge inside Gmail
Polymail
Email client with tracking and follow-ups
Fyxer AI
AI assistant for email, meetings and follow-ups
06 — FAQ
Frequently Asked Questions
What is Mailbutler used for?
It adds email tracking, mail merge, follow up reminders, team collaboration and signature tools on top of the email client you already use.
Which email clients does Mailbutler support?
It works in Apple Mail, Gmail and Outlook, and features work across all three so colleagues can use different clients.
Does Mailbutler read or store my emails?
The site says it does not read, analyze or store message content or attachments. Email text is only sent to OpenAI when you use the Smart Assistant, with addresses replaced by placeholders.
Is Mailbutler secure?
Yes. It is ISO/IEC 27001 certified, GDPR compliant, Microsoft 365 certified and Google verified, with servers in Frankfurt, Germany.