Bullet proof button with Silverpop tracking code - original button code courtesy of @stigm (http://buttons.cm/). NOTE: do not view in design view within Silverpop - button loses its bullet proof-ness.

Bullet proof email button - image free

<div align="center">
<!--[if mso]>
  <a href="#" xt="SPCLICK" name="main_article1_outlook" style="color:#E97F1D; text-decoration: underline;"  >
  <v:roundrect xmlns:v="urn:schemas-microsoft-com:vml" xmlns:w="urn:schemas-microsoft-com:office:word" href="#" style="height:30px;v-text-anchor:middle;width:130px;" arcsize="14%" strokecolor="#fdb515" fillcolor="#E97F1D">
    <w:anchorlock/>
    <center style="color:#ffffff;font-family:sans-serif;font-size:13px;font-weight:bold;">Read article</center>
  </v:roundrect>
  </a>

<![endif]--><![if !mso]>
<a href="#" xt="SPCLICK" name="main_article1_no_outlook" style="background-color:#E97F1D;border:1px solid #fdb515;border-radius:4px;color:#ffffff !important;display:inline-block;font-family:sans-serif;font-size:13px;font-weight:bold;line-height:30px;text-align:center;text-decoration:none;width:130px;-webkit-text-size-adjust:none;">Read article</a>
<![endif]>
</div>