I have set up various linux mail servers with various distributiions including redhat suse debian slackware. I also use freebsd on quite a large scale.
I have also setup cisco routers doing BGP, OSPF and static routing. I am currently the TECH POC for the .ug cctld and the chairman of the technical
group of the internet exchange point working group in Uganda East Africa.
I hvae run several services in cluding dns, mail, web hosting, etc using a wide variety of software including sendmail, postfix,qmail, apache,IIS, bind ,
djbdns, php, mysql, etc