Not able to send mails from iphone 3g using airtelmail

[ankur paliwal]

Hi Guys, need some help, I've tried all options avb on iPhone but not able to config. airtelmail on my iphone 3G. it says username @stmp.gmal.com is incorrect, however i'm able to receive mails on phone using the same password. Do any of you have any clue how to go about it?..thanks in advance for your help. regdsp.s. i'm using outlook on my pc for airtel mail & its working perfectly.