Query on mail/mailx command


hi i am using mail command to send mail to my mail box , i get the
mails but , without subject , i want to add subject with mail
command , i used following string so pl. suggest where i made mistake
or give your ideas on it

i used :
$ mail -s hi abcmail@xxxxxxx < draftmail

in above string i consider subject = hi
mail id = abcmail@xxxxxxx
draftmail = it sents the contain
to user from file.
by above command i used to get mail but it without subject..

i am using microsoft outlook.(exchange server).

Pl. suggest me ..!

Thanks in advance..!

With regards,