The serial number of the certificates is checked together with the
issuer, since some certificates have the same subject and issuer but a
different serial number.
Also, the certificate subject, issuer and serial number are also written
to the certificates file just before the certificate itself, in order to
make it easier to distinguish each certificate in the file.
There is no point in having SSL/TLS IMAP support as optional, it's as
useful if not more than the the non-encrypted connections.
The Makefile was better organized to make it easier to change some
options during compile.
The SHAREDIR variable passed as configuration option has changed name.
Move the source code to the src dir, the man pages to the doc dir, and
the example configuration files to the samples dir, and update all
relevant files to reflect the changes.
Lefteris Chatzimparmpas