9a6dd16f5d
- TLS (SSL) support was streamlined further, and provides a new security level based on certificate fingerprints instead of CA signatures. See TLS_README for details. - Milter support was updated from the Sendmail 8.13 feature set and now includes most of the features that were introduced with Sendmail 8.14. See MILTER_README for details. - Stress-adaptive configuration was introduced. This allows the Postfix SMTP server to temporarily adjust its rules under conditions of overload, such as a malware attack or backscatter flood. See STRESS_README for details. [pkgsrc: this obsoletes the "postfix-stress" option which provided the same functionality via a distribution patch] - The queue manager scheduler was refined. It now provides per-transport scheduling controls and allows for adjustment of the sensitivity to mail delivery (non-)errors. See SCHEDULER_README. - Security was improved by introducing a Postfix-owned data_directory for storage of randomness, caches and other non-queue data. This change avoids future security loopholes due to untrusted data sitting in root-owned files or in root-owned directories. Writes to legacy files in root-owned directories are automatically redirected to files in the new data_directory. No functionality has been removed, but it is a good idea to review the RELEASE_NOTES file for the usual minor incompatibilities or limitations. |
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