diff --git a/Resources/Private/Partials/Mails/DefaultHtml.html b/Resources/Private/Partials/Mails/DefaultHtml.html
index 94da85e..d3c4520 100644
--- a/Resources/Private/Partials/Mails/DefaultHtml.html
+++ b/Resources/Private/Partials/Mails/DefaultHtml.html
@@ -105,6 +105,25 @@
                                       <f:case value="hr">
                                         <p style="border-top:solid 1px #bababa;font-size:1px;margin:13px auto;width:100%;">
                                         </p>
+                                        <!--[if mso | IE]>
+                                          &nbsp;
+                                          <table
+                                            align="center"
+                                            border="0"
+                                            cellpadding="0"
+                                            cellspacing="0"
+                                            style="border-top:solid 1px #bababa;font-size:1px;margin:13px auto;width:100%;"
+                                            role="presentation"
+                                            width="550px"
+                                          >
+                                            <tr>
+                                              <td style="height:0;line-height:0;">
+                                                &nbsp;
+                                              </td>
+                                            </tr>
+                                          </table>
+                                          &nbsp;
+                                        <![endif]-->
                                       </f:case>
                                       <f:defaultCase>
                                         <p>{row.data -> f:format.nl2br() -> f:format.raw()}</p>