References:Developing HTML Emails Using “Ghost Tables”
<tr>
<td>
<table width=100%>
<tr>
<td class="two-columns" valign=top style="font-size:0;">
<table style="max-width: 250; vertical-align: top; display: inline-block;">
<tr>
<td>
<p>Content goes here. Lorem, ipsum dolor sit amet consectetur adipisicing elit. Ullam, nemo.</p>
</td>
</tr>
</table>
<table style="max-width: 250; vertical-align: top;width: 100%; display: inline-block;">
<tr>
<td>
<p>Content goes here. Lorem, ipsum dolor sit amet consectetur adipisicing elit. Ullam, nemo.</p>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<table width=100%>
<tr>
<td class="two-columns" valign=top style="font-size:0;">
<!--[if (gte mso 9)|(IE)]>
<table width="100%" style="border-spacing: 0;" role="presentation">
<tr>
<td width="300" valign="top" style="padding: 0;">
<![endif]-->
<table style="max-width: 250; vertical-align: top; display: inline-block;">
<tr>
<td>
<p>Content goes here. Lorem, ipsum dolor sit amet consectetur adipisicing elit. Ullam,
nemo.</p>
</td>
</tr>
</table>
<!--[if (gte mso 9)|(IE)]>
</td>
<td width="300" valign="top" style="padding: 0;">
<![endif]-->
<table style="max-width: 250; vertical-align: top;width: 100%; display: inline-block;">
<tr>
<td>
<p>Content goes here. Lorem, ipsum dolor sit amet consectetur adipisicing elit. Ullam,
nemo.</p>
</td>
</tr>
</table>
<!--[if (gte mso 9)|(IE)]>
</td>
</tr>
</table>
<![endif]-->
</td>
</tr>
</table>
</td>
</tr>
When in doubt include those tags with your table element
<table rel="presentation" border="0" cellpadding="0" cellspacing="0">