Exim is a well known Mail Transfer Agent.
This is a security release of the latest Exim version, 4.92, see http://www.exim.org/ https://github.com/Exim/exim/wiki/ChangeLogIf you have questions or comments, please send them to the Cygwin mailing list: cygwin at cygwin.com, mentioning "exim" in the subject line.
Pierre