Many stability bugs have been fixed. This release uses OpenSSL instead of cryptlib by default. HTTP support has been removed. There are more IMAP bugfixes.
Notable changes since 2.03 include many important bugfixes and performance enhancements, RRDTool integration for monitoring, Sieve improvements (vacation autoresponses, subaddresses, and date tests), the IMAP SORT extension, and many more parsing fixes for broken mail.
aox undelete. "allow-plaintext-access=never" configuration. SASL LOGIN support. The installer can talk to a remote database server. Web archive display improvements and HTTPS support. Runaway tlsproxy problem fixes. A number of other bugfixes.
A very serious SMTP submit bug was fixed. A new
feature to copy outgoing mail to the sender was
added. Support for SMTP+TLS on port 465 was added
for Outlook. HTTP archive display improvements
were made. A few minor bugs were fixed.
PostgreSQL 8.1.x or later is now required. Architectural changes were made and performance and reliability were improved. aox vacuum no longer needs to hold a lock. Character set handling and message parsing were improved.
