My server (godaddy hosted) is sending SPAM, Need stop ASAP

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
My server is sending spam, I deleted all weird scripts fron /tmp
I stopped httpd and spam continues
after reboots same

not sure how to stop this spam, need instructions step by step, because cant share root login details, another freelancers hacked my server too.
if i can stop the mails spam and can see my maillog is clean I will award you.

Skills required:
Apache, Linux, Web Hosting
Hire azaqero
Project posted by:
azaqero Peru
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