Exim 4.89 is primarily a stabilisation release.
This release fixes a number of issues in CHUNKING support; per
"README.UPDATING" inside the release, there is also a new util script
which can try to repair undeliverable mails stuck in your queue as
a result of some issues fixed in this release.
Proxy Protocol support now works with TLS-on-connect and is generally
more robust; IDNA2008 support is now available. DKIM handling is more
robust.
A number of crash bugs have been fixed; new debugging options are
available; include files can now be specified with relative pathnames;
release files are available using .xz compression, not just .gz & .bz2.
