-
+ Exim is a message transfer agent (MTA) developed at the
- University of Cambridge
+ University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the
- GNU General Public Licence
+ GNU General Public Licence. In style it is similar to
- Smail 3
+ Smail 3, but its facilities are more general. There is a great deal of flexibility in the way mail can be routed, and there are extensive facilities for checking incoming mail. Exim can be installed in place of
- Sendmail
+ Sendmail, although the configuration of Exim is quite different.
- All versions of Exim previous to version are now obsolete and everyone is very strongly recommended to upgrade to a current release. The last 3.x release was 3.36. It is obsolete and should not be used.
+ All versions of Exim previous to version are now obsolete. The last 3.x release was 3.36. It is obsolete and should not be used.
+
@@ -53,8 +54,9 @@
-
We fixed CVE-2016-9963 right now, you are
- urged to upgrade to 4.88 or to 4.87.1, available from the known download sites.
+
We fixed CVE-2017-16943 and CVE-2017-16944 with this release.
+ To address these two CVEs, please update to 4.89.1 or simply disable
+ the SMTP CHUNKING extension by using chunking_advertise_hosts = in the main configuration section.