Local resources:

Direct Marketing Association of South Africa - http://www.dmasa.org/

ISPA spam page - http://ispa.org.za/spam/

ISPA Guide to Responsible E-mail Marketing - http://ispa.org.za/spam/responsible-email-marketing/

Internet Society of South Africa spam page - http://wiki.isoc.org.za/Main_Page

WASPA complaint reports relating to spam - http://www.google.co.za/search?sourc...&aqi=&aql=&oq=


RFC
There are internet standards for responsible email marketing. http://www.faqs.org/rfcs/rfc3098.html