Release Notes: This release adds ratefilter, a rate-limiting mail filter.
Release Notes: This release adds support for DNSWLs (DNS-based whitelists, as opposed to blacklists), as well as DNSBL/DNSWL IPv6 support, and improves fallback error recovery when sending mail to a server which claims to support encryption, but actually fails to do so.
Release Notes: This release fixes a memory corruption bug in the Webmail server and compilation errors when using recent versions of OpenSSL.
Release Notes: This release replaces a small set of internally-supported character sets with support for the platform-specific iconv(3) API, adding support for any character set that's supported by the platform. A search function has been added to the Webmail server.
Release Notes: This release fixes a crash that occurred if a localmailfilter generated a large error message. Account options were introduced to disable non-SSL IMAP and POP3 connections.