General email realted query: mailhelp[at]iitk[dot]ac[dot]in
(All mail server related issues) : Mr. Soumitri Mishra, soumitri[at]iitk[dot]ac[dot]in, 6050
(Mail restore from backup and quota) : Mr. Ashish Verma, vashish[at]iitk[dot]ac[dot]in, 7446
"Mozilla Thunderbird", "Outlook" etc. are superior mail client options. CC may help you to setup on your desktop.
Webmail client is a substitute for those who don't have LAPTOP/DESKTOP at office/home or are out of campus.