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v4.9

unslothai/unslothv4.9Dec 11, 2025by lotkmm

AI Summary

BillionMail v4.9 introduces email retention policies, configurable DKIM key lengths, API email sending with contact groups, and automatic log compression.

Key Highlights

  • Email Retention Policy configuration
  • DKIM Record Generation with Long and Short key options
  • API Email Sending with Contact Group Selection
  • Configurable open and click tracking
  • Automatic log compression and cleanup

New Features

  • Email Retention Days setting
  • DKIM 2048-bit and 1024-bit key options
  • API Contact Group selection
  • Configurable tracking options
  • Automatic log rotation and cleanup

Full Release Notes

## BillionMail v4.9

#### New Features

- Email Retention Policy Configuration
  Added an "Email Retention Days" setting to automatically purge sent email records older than the specified number of days, effectively controlling database size and disk usage.
- DKIM Record Generation with Long and Short Key Options
 The DKIM configuration now offers two key length options: Standard (2048-bit) and Compatibility (1024-bit), balancing security with compatibility for DNS providers that impose record length limits.
- API Email Sending with Contact Group Selection
You can directly specify to enter the "Contact Group" that has been created.
- Configurable Tracking Options
You can now disable open tracking and click tracking at either the campaign or global level to meet privacy compliance requirements or suit specific use cases.
- Automatic Log Compression and Cleanup for Core Service
Implemented automatic log rotation, gzip compression, and time-based cleanup for the Core service, significantly reducing disk usage during long-term operation.