Dynamice table overwriting the information in the 1st column

Hello Everybody,I have an agent which create table and sent email to user . The very left hand side of the table column is overwriting part of information in the 1st column for some user , when I test this particular agent I didn’t find any issue in it.What could be the problem why user is getting such issue , Is it becasue of pixel issue in user machine or any thing else. Please share your idea if you can.

Here is the part of code which create table -

MainText=|Please note that following AWB shipments have occured for the day.

|

MainText=MainText+|<Font Face="Default Sans Serif" Size="2">|	

MainText=MainText+|<Table border="1" align="center" style="border: black 2px solid;"  width="907" cellspacing="0" cellpadding="1">|	

MainText=MainText+|<Tr bgcolor="#FFF8DC">|

MainText=MainText+|<Td width="58px" align="left" >|

MainText=MainText+|<b>Opp.#</b>|

MainText=MainText+|</Td>|

MainText=MainText+|<Td width="55px" align="left" >|

MainText=MainText+|<b>S.O.#</b>|

MainText=MainText+|</Td>|

MainText=MainText+|<Td width="91px" align="left" >|

MainText=MainText+|<b>P.O.#</b>|

MainText=MainText+|</Td>|

MainText=MainText+|<Td width="64px" align="left" >|

MainText=MainText+|<b>PRJCT#</b>|

MainText=MainText+|</Td>|  

Thanks

Rupesh