uservalidation or uservalidationbyemail dont work and i can´t validate my users

Hi Friends

Here is Nando From Brazil!

I Cant validate my users because the plugins that do that  uservalidationbyemail and uservalidation dont work well, I have 2 elgg instalations Elgg1.6.1.7z and Elgg-1.7 and in these the plgugins dont work , i installd uservalidation versions 0.3, 0,4 0,5 and not happens i didnt recevei any email, please friends help with a solution!


Thanks a lot !