[imp] Cannot not send mail to Exchange Server using IMP/Sendmail

[yaki]

Hi, Everyone..

I have using php 4.3.0, apache 2.0 with sendmail and IMP 3.2.=20

When my clinet copy the document from microsoft word to the composer and =
send the email to the other one that using Exchange Server.

It have get a error message in the other side, say that it cannot not =
display this kind of internet language !! Is anyone get this error =
before..

Please Give me some advice !!

Have a nice Day

Yaki