Draft email created by VBA code returns undeliverable error
<p>I create an email draft using the following VBA Code in Excel (2014):</p>
<pre><code>Sub Send_email()
    Dim OutApp As Object
    Set OutApp = CreateObject(&quot;Outlook.Application&quot;)
    Dim OutMail As Object
    Set OutMail = OutApp.CreateItem(0)
    
    With OutMail
        .To = &quot;myself@hotmail.com&quot;
        .Subject = &quot;test email&quot;
        .HTMLBody = &quot;Sample test body&quot;
        .Save
    End With
    
    Set OutMail = Nothing
    Set OutApp = Nothing
End Sub
</code></pre>
<p>If I open the saved email and send it manually, I receive an Undeliverable error message from System Administrator:</p>
<blockquote>
<p>&quot;Your message did not reach some or all of the intended recipients.&quot;</p>
</blockquote>
<p>If I use:</p>
<pre><code>.Send
</code></pre>
<p>instead of</p>
<pre><code>.Save
</code></pre>
<p>The email is sent (with no Undeliverable error).</p>