To upload material to CTAN you should use a web form.  Visit one
of these pages
  http://dante.ctan.org/upload   (in Germany)
  http://www.tex.ac.uk/upload    (in the UK)
Instructions for preparation of your materials are included there.

If for some reason the form is awkward then you can write to the
administrators at the mailing list ctan (at) dante.de to make
other arrangements.