TMDA History   TMDA was originally modeled after a little Perl
script written by Thomas Erskine called Tagged Mail Sender (TMS)
which implemented the concept of tagged addresses. After using
TMS for a month, JasonMastaler was thrilled with how effective
it was in reducing my spam problem, but the program was no
longer being developed or maintained. I decided to rewrite the
program from scratch and name the result TMDA. The first release
of TMDA in April 2001 was essentially a rewrite of TMS in
Python, and it grew from there.   As more people began to use
TMDA, it became clear a more user-friendly interface was needed,
so a challenge/response system was grafted on in July of 2001.
Even though TMDA implements a number of techniques, the C/R
system is generally what TMDA is known for. While C/R systems
are now commonplace, TMDA was the first publically available
program in widespread use to implement C/R as a primary anti-
spam countermeasure.  There is more to life than qmail  The next
hurdle was platform indepe