v4.8

BillionMail v4.8

Domain Blacklist Detection

Added blacklist monitoring for domains with support for manual detection and auto-scanning. System will alert if domain or IP is blacklisted. Manual scan available in domain list; alert settings (notify email, recipient) configurable in settings page.

Bug Fixes

• Fixed the automatic scanning error of the Suspend List

v4.7

BillionMail v4.7

Mailbox Quota Management

• Added mailbox storage quota management functionality, supporting real-time monitoring of mailbox usage. The system automatically triggers alert notifications when usage approaches the limit. Administrators can promptly track resource consumption, improving system stability and operational efficiency.

Bug Fixes

• Fixed an issue causing exceptions when configuration is missing in multi-IP domain scenarios.
• Fixed a password encryption issue in mail relay settings that caused test connection failures.
• Resolved a bug where domain were being duplicated when editing relay configurations.
• Fixed the issue where the newly installed Postfix fails to send emails due to the lack of necessary configuration.
• Fixed the issue where sending emails fails due to incorrect directory permissions after creating the mailbox.
• Update Roundcube image to version 1.6.11
• Fixed the issue where some APIs cannot have the authorization parameter filled in through the Swagger UI. Remove some APIs that are not enabled.
• Fixed the issue where custom attributes for Send API were not replaced.
• The front end fixes the problem of clicking to add a template without a domain name.
• Fixed the issue where the domain list certificates were displayed incorrectly.
• Fixed the issue where the certificate file was not displayed after adding the domain.
• Fixed the issue of the number of successfully sent marketing tasks being too small.
• Allow to add relay configuration without binding to a domain.

BillionMail V4.6

BillionMail v4.6 Release Notes

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✨ New Features

🔌 API Documentation

• Developer portal enhancement
  Added API documentation settings for easy access to system APIs, improving development efficiency and integration accuracy

📊 Export Format Expansion

• Multi-format contact export
  Added TXT export format to contact export functionality, supporting diverse data processing needs

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⚡ Performance Optimization

• Accelerated email validation
  Optimized abnormal email scanning through improved algorithms and data processing logic, significantly increasing scan speed

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🐛 Bug Fixes

• IP whitelist accessibility
  Fixed unsubscribe page access issues when IP whitelist is enabled
• Contact list export reliability
  Resolved contact list export failures under specific conditions
• Empty campaign prevention
  Fixed issue where marketing tasks with entirely non-sendable recipients would create empty campaigns

BillionMail V4.5

BillionMail v4.5 Release Notes

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✨ New Features

📧 Bulk Email Enhancements

• Subscription list tag management
  Added tag management functionality for subscription groups
• Contact activity tracking
  Record last active time for each contact
• Advanced contact organization
  Manage contacts by both tags and groups simultaneously
• Batch tag operations
  Add/remove multiple tag IDs in bulk for efficient task filtering
• Unsubscribe settings
  Added unsubscribe configuration options for subscription groups
• Improved contact analytics
  Enhanced logic for retrieving contact trend data

📨 Email Marketing Upgrades

• Tag-based filtering
  Marketing tasks now support tag filtering for precise audience targeting
• Dynamic task editing
  Edit sender addresses, templates, and subjects while tasks are paused - changes apply immediately when resumed
• Task duplication
  One-click campaign replication for efficient repetitive task creation

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⚙️ Core Optimizations

• Unsubscribe template redesign
  Completely revamped unsubscribe email templates with improved layout and user experience
• Flexible SMTP relay authentication
  Added optional authentication support and improved validation logic for non-authenticated relays
• Streamlined contact export
  Rebuilt export logic with browser-native file download responses
• Accurate engagement metrics
  Optimized email click-through rate calculation algorithm

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🐛 Bug Fixes

• Performance optimization
  Fixed high CPU consumption when sending non-variant emails and improved Spintax parsing efficiency
• Address validation fix
  Resolved false email format errors when updating mail forwarding settings
• Stability improvements
  Patched various edge cases and minor stability issues across modules

BillionMail V4.4

BillionMail v4.4 Release Notes

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🌐 Outbound IP Binding

• Domain-specific IP allocation
  Added outbound IP binding in domain management, allowing assignment of dedicated sending IPs for different domains when the server has multiple outbound IP addresses

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⚙️ Core Optimizations

• Postfix configuration enhancement
  Optimized relay-related settings in main.cf configuration file and ensured proper SMTP hash file existence, significantly improving email delivery stability
• Security reinforcement
  Removed arbitrary file read/download functionality from the interface to enhance system security protection

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🐛 Bug Fixes

• Database constraint resolution
  Fixed foreign key constraint issues in the email_tasks table that caused database operation exceptions
• Reverse proxy compatibility
  Corrected reverse proxy configuration to ensure proper functionality when bypassing language detection and accessing test APIs, with improved handling of reverse proxy website abnormalities
• SSL certificate maintenance
  Fixed Let's Encrypt certificate automatic renewal failure issue

BillionMail V4.3

BillionMail v4.3 Release Notes

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✨ Spintax Support

• Dynamic content variation
  Email templates now support Spintax syntax for generating diverse email content variations

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⚙️ Core Optimizations

• Log management enhancement
  Enabled log rotation and compression for Postfix/Rspamd/Dovecot (reduces disk usage by up to 70%)
• Campaign replication
  Added one-click duplicate function for marketing tasks
• Enhanced contact validation
  Implemented email format verification during contact imports
• Multi-domain SMTP relay
  Support for binding multiple domains to SMTP relay services
• Reverse proxy configuration
  Added support for custom reverse proxy domain settings

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🐛 Bug Fixes

• Fixed analytics data disruption
  Resolved inaccurate email statistics caused by log rotation conflicts
• Completed campaign progress
  Fixed marketing tasks stuck at 99% completion
• Addressed minor stability issues
  Patched various edge cases across modules

BillionMail V4.2

BillionMail v4.2 Release Notes

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⚡ Performance Optimization

• Accelerated campaign loading
  Marketing task lists now render 60% faster

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🐛 Critical Bug Fixes

• Fixed account import/export failures
  Resolved format parsing errors during mailbox migrations
• Patched SMTP relay port conflict
  Enabled full TLS support for port 465 transmissions
• Corrected post-logout routing
  Accessing protected routes now properly redirects (was 404)
• Addressed minor UI inconsistencies
  Refined interface behaviors across modules
• Fixed AI Template Editor UI Issue
  Fixed when the content is generating, the boxes flow together

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BillionMail V4.1

BillionMail v4.1 Release Notes

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📊 Visual Postfix Queue Manager

• Real-time sending queue monitoring
  Visually track active email delivery queues
• Manual queue control
  Retry/delete/clear queues with one-click actions
• On-demand parameter tuning
  Debug and adjust queue parameters in real-time

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✨ Enhanced Account Management

• Bulk account creation
  Add multiple email accounts via CSV import
• Mailbox migration tools
  New import/export functionality for mailbox data

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📝 Comprehensive Operation Logs & Error Logs

• Login auditing
  Track all user access attempts
• CRUD activity tracking
  Monitor creation/modification/deletion operations
• Advanced log search
  Filter logs by date, user, or action type
• Runtime error logs
  Display runtime error logs for debugging

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🚫 Smart Suspend List

• Automatic contact scanning
  Identify invalid emails during list imports
• Bounce rate reduction
  Automatically pause delivery to problematic addresses
• Delivery reputation protection
  Prevent sending to known invalid recipients

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⚙️ Core Optimizations

• Guided AI template editor
  Added onboarding tutorials for new users
• Accurate campaign analytics
  Improved statistical engine for marketing tasks

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🐛 Bug Fixes

• Fixed dashboard data miscalculations
• Patched Dark Mode CSS rendering issues (Thanks @eben92!)
• Resolved minor stability patches across modules

BillionMail V4.0

BillionMail v4.0 Release Notes

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🚀 AI-Powered Email Template Editor

• Conversational template generation
  Create email templates through natural language prompts
• Automated website profiling
  Extracts information from target sites to build personalized emails
• Flexible AI model integration
  Supports mainstream AI providers by default; custom integrations can be added

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⚙️ Enhanced Email Sending API

• Improved API testing workflow
  Added cURL code examples for seamless integration
• Resolved intermittent errors during mass email sending

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📇 Optimized Contact Management

• Streamlined editing/deletion logic for contacts
• Overhauled UI with user experience-focused redesign
• Configurable group confirmation
  Toggle secondary prompts when adding new contacts to groups

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📈 Key Feature Enhancements

• Localized language display for multilingual lists (shown in native languages)
• New invalid email manager for bounce handling
• Custom display names when adding email accounts
• SNI support added for secure domain hosting

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🐛 Bug Fixes

• Fixed incorrect SMTP relay server configuration errors
• Resolved internal IP misidentification in LAN environments
• Prevented addition of empty contact groups to marketing campaigns
• Corrected CLI tool displaying IP addresses after domain configuration
• Eliminated test email sending failures
• Patched IP whitelist enforcement bypass
• Fixed infinite loop in email campaign tasks
• Addressed unsubscribe links displaying IPs instead of domains
• Reduced excessive debug logging caused by incorrect log-level settings

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🛡️ Update Reliability Improvements

• Local-config-first merge strategy to preserve custom settings during upgrades
• Graceful update failure handling to prevent service interruptions

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🔌 Compatibility Upgrades

• Full aaPanel compatibility
  Seamless installation and operation on aaPanel environments

BillionMail V3.2

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