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Tuesday, February 20, 2018, 18:12

PerfectMail 3.7.182

This maintenance release contains code improvements resulting better performance when the system is under load (< 100 concurrent connections), improvements to filtering and resolves some recently reported issues.

Rollout will be from Feb 21 - 27.


  • Code refactoring to improve system performance on heavy loads of over 100 concurrent connections
  • Domains rewrite: Rewrite/improvement of domain data structures in core filter code. The update resulted in code that is tighter, faster, isolated and thread-safe. Isolation now exists within the domain module rather than in the main thread.
  • Update to startup code to prevent persistent hardware settings on migrated VMs
  • Introducing anti-web-hacker code, to look for probing of common website hacking targets (development in progress)
  • Improvements to GeoIP default database and updating mechanisms
  • New UTM Bad source analysis test
  • Fix a 'dot-stuffing' issue in local mail submission scripts
  • Update to UI embedded release notes mechanism
  • rxScanner analysis extension to allow from/reply comparisons
  • Introducing strict utf8 encoding analysis
  • Extended dns probe functionality to include SOA records
  • Reworked tcp socket communications functions to use poll() instead of select()
  • Update mime header parsing to decode mime-encoded mime header strings
  • Bug: Message trailer configuration parsing problem fixed
  • Bug: Update file maintenance code that was generating unnecessary error messages
  • Update configuration backup logic to allow for unattended backups
  • Bug: Update address alias management code where some aliases are not properly propagated
  • New DNS SOA analysis module
  • Update attachment whitelist logic to allow some dangerous attachment types that were being blocked
  • Rework test ordering to minimize server resource requirements
  • Improvements to outside relay parsing
  • General code refactoring/improvements
  • Extended backup functionality to allow for batch/script processing.
  • Created a "create_backup" maintenance script.
  • Reduce verbosity of post_install script.
  • Bug: Fixed a bug in the geoip update maintenance process.
  • Minor improvements to server validation functionality.
  • Bug: Fixed a problem with alternate mailer port expansion code.
  • Consolidate dashboard interface to only show the twitter feed, but included a link to the RSS feed.
  • Reformat support section in the dashboard.
  • OCR: Minor code improvements resulting from Coverity code analysis.
  • Code improvements to str*trim library functions.

-- Development Team

Last modified: 2021-03-02, 11:05

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