Release Notes: Full support was added for the CONDSTORE and QRESYNC extensions. Support was added for IMAP extensions that are part of the LEMONADE support, including LIST-EXTENDED, COMPRESS, ESEARCH, WITHIN, ENABLE, QRESYNC, and partial support for URLAUTH=BINARY. Metadata and mailbox index databases have been overhauled for greatly improved scalability. Synchronization (clustering) protocols have been rewritten for greater reliability and improved extensibility.
Release Notes: This release corrects a potential buffer overflow in Sieve, has improvements in murder and partition management including introduction of the cyr_df utility, and has bugfixes for skiplist on 64-bit platforms, squatter indexing, and other issues.
Release Notes: Stability and performance improvements as well as significant replication related bugfixes. Quota calculation works in delayed expunge mode.
Release Notes: This release corrects a number of bugs including ones related to portability, the quotadb backend, and MULTIAPPEND support, among others. If you're running a version higher than 2.2.3, an upgrade is strongly recommended.
Release Notes: This release implements a large number of bugfixes, including fixes for several segmentation faults and file descriptor leaks. It massively improves the stability of the server, and contains no new features.
Release Notes: This release corrected a number of issues in the previous version and added no new features.
Release Notes: This release fixes a locking problem during CREATE operations that was introduced in 2.1.7. It also includes a performance improvement for RENAME operations and a small fix to the rehash script.
Release Notes: This release includes cleanup of a number of memory and file descriptor leaks, corrections in how strlcpy() is used, and locking improvements for CREATE and RENAME operations.
Release Notes: This release includes a large number of bugfixes and stability improvements. sieve is no longer dependent on duplicate delivery suppression. A much faster RENAME command was implemented. Improvements were made in the included utility programs.