All Services Programming & Development Technical Support $5/hr · Starting at $25 I am proficient in Windows Server (NT, 2000, 2003), Exchange (5.5, 2003), SMTP, spam filtering, anti-virus, DNS, firewalls, and wireless networking. About $5/hr · Ongoing Download Resume I am proficient in Windows Server (NT, 2000, 2003), Exchange (5.5, 2003), SMTP, spam filtering, anti-virus, DNS, firewalls, and wireless networking. 0 Reviews This Freelancer has not received any feedback.