I have this table where I need spacing between the cells:
<table cellpadding="0" cellspacing="5px">
<tr>
<td><img src="http://placehold.it/100"/></td>
<td><img src="http://placehold.it/100"/></td>
<td><img src="http://placehold.it/100"/></td>
<td><img src="http://placehold.it/100"/></td>
</tr>
</table>
In Outlook 2007, 2010 and 2013 the spacing isn't correct while in other clients it looks just fine.
Outlook 2007, 2010 and 2013:
Other clients:
How do I fix this?