Release Notes: This release fixes a bug in the webmail server that can be triggered by external filesystem corruption, whereby the server will either be unable to open a folder, or will consume 100% of the CPU.
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 adds additional configuration and customization options for mail servers with multiple IP addresses.
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.
Release Notes: This release adds logging of authenticated IDs to messages that were submitted using authenticated SMTP, and removes useless logging of spurious errors that sometimes occur when SMTP clients terminate their connections.
Release Notes: This release includes fixes for several platform-specific problems that may occur when forwarding messages and when Courier is compiled against the GnuTLS library.
Release Notes: This release fixes several problems in the webmail server with handling of misformatted HTML mail.