How to send mail in PHP using SMTP in oni.cc

[.:n'tQ-boy:.]

Hi every one!
In localhost, my site can send email easily (using smtp and phpmailer) but when i upload my codes to oni.cc, that feature does not work at all!
Should i config some things or did i do something wrong?

[pzuurveen]

please post your code
and error measage if any