Yahoo failed as internet company for a reason. Try sending an email with a link to a bank website. E.g. CIMB (Popular across Asia)
Your email will be rejected by Yahoo. Just awesome...
554 Message not allowed - [PH01] Email not accepted for policy reasons
Workaround: Use a shortlink to hide your URL. E.g. http://goo.gl/tPb19A. Now your phishing emails will arrive safely. 😉