- new user interface (config file)
- single daemon can listen on multiple ports
- delayed DNS lookup added
- configurable timeouts
- chroot support
- private key file for a certificate can be kept in a separate file
* Format string bug fixed in protocol.c
smtp, pop3 and nntp in client mode were affected.
(stunnel clients could be attacked by malicious servers)
* Certificate chain can be supplied with -p option or in stunnel.pem.
* Problem with -r and -l options used together fixed.
* memmove() instead of memcpy() is used to move data in buffers.
* More detailed information about negotiated ciphers is printed.
* New ./configure options: "--enable-no-rsa" and "--enable-dh".
