I went through all the requirements and I can set up everything as per your requirement but the budget you mentioned is really less to be quite honest. If you don't mind investing more for output you have been expectinDaha Fazla
I have a good experience in Infrastructure support admin.
Worked on varies operating systems, firewall and Mail servers.
I just gone through your requirements and I can establish this within 4 days.
feel free to chaDaha Fazla