嗨，我正在向用户发送电子邮件，他们提到背景图像不起作用。我用 BeeFree 来设计我的电子邮件，但仍然没有运气
我的代码如下。我错过了什么？
<div style="border-collapse: collapse;display: table;width: 100%;background-color:#000000;background-image:url('yourimage.png');background-position:center top;background-repeat:no-repeat">
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<!--[if (mso)|(IE)]><td align="center" width="580" style="background-color:#000000;width:580px; border-top: 0px solid transparent; border-left: 0px solid transparent; border-bottom: 0px solid transparent; border-right: 0px solid transparent;" valign="top"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td style="padding-right: 0px; padding-left: 0px; padding-top:0px; padding-bottom:0px;"><![endif]-->