Many thanks to original author Kristian Van Der Vliet for creating
such usuable SMTP protocol library. Libsmtp code was modified to fit
needs of libplaton library. Following changes was done:

1. File structure simplyfication.
2. Proper global variables prefixation.
3. Error codes renaming.
4. EOK name change and addition into error codes enumeration.
5. Source indentation improvements.
6. Doxygen documentation.

Ondrej Jombik <nepto@platon.sk> [29/9/2002]