Mailbutler

Mailbutler is a browser extension and email client plugin for professionals and teams who manage high-volume email in Apple Mail, Gmail, and Microsoft Outlook.

Key capabilities include:

• Email and link tracking with real-time notifications for opens and clicks, plus advanced insights on higher plans
• Tailored sending tools such as scheduled send, snooze, smart timing suggestions, and email recall
• Templates and mail merge with dynamic placeholders for personalized outreach at scale
• Inbox collaboration with assignments, notes, tasks, collaborator status, tags, and shared team signatures

Pricing: Freemium with a free 14-day trial (no credit card required). Paid per-user plans include Starter/Tracking (about $4 to $5 or €3 to €4), Professional (about $7 to $9 or €6 to €8), Smart/Professional+ (about $11 to $15 or €9 to €12), and Business (about $30 to $33 or €25 to $30), with up to 25% off annual billing.

Notable for combining tracking, signature marketing, and shared-inbox collaboration across multiple email clients, with integrations for HubSpot, Salesforce, and Apple/Google/Outlook Contacts, plus stated security and privacy controls, including ISO/IEC 27001 certification and GDPR compliance.