Note: LISTSERV 16.5 is an old version. For information about the latest version, see: New in LISTSERV 17.0.
GDPR Reporting Tool
All new LISTSERV password records and login tickets are now generated with 256-bit SHA-2 hashing and strong random-number generation (cryptographic RNG). The use of SHA-2 family hash functions is required for many organizations, including government agencies.
HSTS Maximum Age
The web interface can now enable HTTP Strict Transport Security, which specifies a period of time during which the user agent can only access the server in a secure fashion, enhancing security for any LISTSERV site that uses the HTTPS protocol.
Faster Archive Searches
LISTSERV 16.5 includes significant performance improvements for archive searches. With LISTSERV HPO, administrators can choose to preload the archives of specific lists into memory at the time of startup for even faster searches on very large lists.
Faster Web Interface
Customers with LISTSERV HPO licenses will experience performance improvements in the web interface as well, most notably when accessing lists with large archives or supporting a large number of concurrent users.
Dynamic Query Cache
Dynamic query performance under LISTSERV HPO has been improved by allowing DQL queries for the purpose of authenticating list owners or moderators to be cached, considerably speeding up response time on large sites.
Several anti-spam improvements have been made to prevent bots from abusing the list subscribe forms with random email addresses and phishing URLs.
Time Specification for Digests
Monthly and weekly digests can now be configured to be sent out at a specific hour of the day instead of midnight server time.
For more details and a full list of new features and enhancements, see:
LISTSERV Overview Feature Checklist
Operating Systems Hardware Requirements
License Sizes and Pricing Technical Support
Remote Installation Renewal Details
Upgrade Center Test Licenses
LISTSERV Demo Request Information
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