BillionMail v3.2 Release Notes

✨ New Features

API Enhancements

• Custom Attributes: Added support for {{ .API.attribute}} templating in API-sent emails
• Batch Processing:
  • Bulk recipient handling for API sending
  • New API test functionality
• Pagination Fix: Improved API pagination
• Unsubscribe Handling: Fixed unsubscribe errors (API-sent recipients now properly logged to new contact groups)

Contact Management

• Subscription Lists:
  • Join via link or embedded code
  • Double opt-in configuration
  • Customizable confirmation/thank-you emails and redirect pages
• Trend Analytics: Added subscription/unsubscription trend visualization
• Group Management: Enabled creation of empty groups

Domain Management

• Default Sending Domain: Added configuration option
• CatchAll: New domain-level feature

⚙️ System Improvements

Settings

• Security:
  • IP whitelist management
  • Rspamd GUI access
• UI Optimizations:
  • Service container filtering (BillionMail-only display)
  • Mail Forward rule improvements

Stability

• Postfix: Added auto-repair for main.cf configuration