My Skills Include: Virtualization: vmware, Hyper-v OS: Windows, Linux(CentOS, Redhat, Ubuntu, Fedora) Applications: MS Exchange Server SMTP Sendmail, Postfix Domain Keys/DKIM dkim-milter, dk-filter, opendkim, dkim-proxy POP/IMAP CourierImap, Fetchmail, Dovecot WEB Apache (mod _php, mod_jk2, mod_jserv, mod_auth, Virtual webhosting, chroot) Squid DNS Bind Aniti Spam/Anti Virus Spamasassin with razor2 pyzor bayes, OpenBSDs spamd (grey listing), ClamAV, qmail-scanner DHCP ISC DHCP Server(Linux installation using PXE boot) FTP Vsftpd Samba User Quotas MySQL Tools: PHPMyAdmin, NFS, Yum