代码
WordPress：
<div style="background: white; width: 95%; max-width: 800px; margin: auto auto; border-radius: 5px; border:orange 1px solid; overflow: hidden; -webkit-box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.12); box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.18);">
<header style="overflow: hidden;">
<img style="width:100%;z-index: 666;" src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.4/img/other/head.jpg">
</header>
<div style="padding: 5px 20px;">
<p style="position: relative; color: white; float: left; z-index: 999; background: #91a5a5; padding: 5px 30px; margin: -25px auto 0 ; box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.30)">
Dear ' . trim(get_comment($parent_id)->comment_author) . '
</p>
<br>
<h3><span style="color: #12ADDB;font-weight: bold;">> </span>您有一条来自<a style="text-decoration: none;color: #12ADDB; " target="_blank" href="' .home_url(). '/">'. get_option("blogname") .'</a>的回复</h3>
<br>
<p style="font-size: 14px;">
您在文章<a style="text-decoration:none;color: #12ADDB;" target="_blank" href="' . htmlspecialchars(get_comment_link($parent_id)) . '">《' . get_the_title($comment->comment_post_ID) . '》</a>上发表的评论：
</p>
<p style="border-bottom:#ddd 1px solid;border-left:#ddd 1px solid;padding-bottom:20px;background-color:#eee;border-radius:6px;margin:15px 0px;padding-left:20px;padding-right:20px;border-top:#ddd 1px solid;border-right:#ddd 1px solid;padding-top:20px">
'
. trim(get_comment($parent_id)->comment_content) . '
</p>
<p style="font-size: 14px;">
' . trim($comment->comment_author) . ' 给您的回复如下：
</p>
<p style="border-bottom:#ddd 1px solid;border-left:#ddd 1px solid;padding-bottom:20px;background-color:#eee;border-radius:6px;margin:15px 0px;padding-left:20px;padding-right:20px;border-top:#ddd 1px solid;border-right:#ddd 1px solid;padding-top:20px">
'
. trim($comment->comment_content) . '
</p>
<div style="text-align: center;">
<a style="text-transform: uppercase; text-decoration: none; font-size: 14px; border: 2px solid #6c7575; color: #2f3333; border-radius:6px; padding: 10px; display: inline-block; margin: 10px auto 0; " target="_blank" href="' . htmlspecialchars(get_comment_link($parent_id)) . '">点击查看回复的完整內容</a>
</div>
<p style="font-size: 12px;text-align: center;color: #999;">
本邮件为系统自动发出，请勿直接回复<br>
© '.date(Y).' '.get_option("blogname").'
</p>
</div>
</div>
Typecho：
<div style="width: 550px;height: auto;border-radius: 5px;margin:0 auto;border:1px solid #ffb0b0;box-shadow: 0px 0px 20px #888888;position: relative;padding-bottom: 5px;">
<div style="background-image: url(https://cdn.zrahh.com/img/mail.png);width:550px;height: 250px;background-size: cover;background-repeat: no-repeat;border-radius: 5px 5px 0px 0px;">
</div>
<div style="width: 200px;height: 40px;background-color: #91a5a5;margin-top: -20px;margin-left: 20px;box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.3);color: rgb(255, 255, 255);text-align: center;line-height: 40px;">
Dear: {author_p}
</div>
<div style="background-color:white;line-height:180%;padding:0 15px 12px;width:520px;margin:30px auto;color:#555555;font-family:'Century Gothic','Trebuchet MS','Hiragino Sans GB',微软雅黑,'Microsoft Yahei',Tahoma,Helvetica,Arial,'SimSun',sans-serif;font-size:12px;margin-bottom: 0px;">
<h2 style="border-bottom:1px solid #DDD;font-size:14px;font-weight:normal;padding:13px 0 10px 8px;"><span style="color: #12ADDB;font-weight: bold;">> </span>您在<a style="text-decoration:none;color: #12ADDB;" href="{permalink}" target="_blank" rel="noopener noreferrer">《{title}》</a>的评论有了新的回复呐~</h2>
<div style="padding:0 12px 0 12px;margin-top:18px">
<p>
时间：<span style="border-bottom:1px dashed #ccc;" t="5" times=" 20:42">{time}</span>
</p>
<p>
您的评论：
</p>
<p style="background-color: #f5f5f5;border: 0px solid #DDD;padding: 10px 15px;margin:18px 0">
{text_p}
</p>
<p>
<strong>{author}</strong> 给您的回复：
</p>
<p style="background-color: #f5f5f5;border: 0px solid #DDD;padding: 10px 15px;margin:18px 0">
{text}
</p>
</div>
</div>
<div style="color:#8c8c8c;;font-family: 'Century Gothic','Trebuchet MS','Hiragino Sans GB',微软雅黑,'Microsoft Yahei',Tahoma,Helvetica,Arial,'SimSun',sans-serif;font-size: 10px;width: 100%;text-align: center;word-wrap:break-word;margin-top: -30px;">
<p style="padding:20px;">
萤火虫消失之后，那光的轨迹仍久久地印在我的脑际。那微弱浅淡的光点，仿佛迷失方向的魂灵，在漆黑厚重的夜幕中彷徨。——《挪威的森林》村上村树
</p>
</div>
<a style="text-decoration:none; color:#FFF;width: 40%;text-align: center;background-color:#91a5a5;height: 40px;line-height: 35px;box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.30);margin: -10px auto;display: block;" href="{permalink}" target="_blank" rel="noopener noreferrer">查看回复的完整內容</a>
<div style="color:#8c8c8c;;font-family: 'Century Gothic','Trebuchet MS','Hiragino Sans GB',微软雅黑,'Microsoft Yahei',Tahoma,Helvetica,Arial,'SimSun',sans-serif;font-size: 10px;width: 100%;text-align: center;margin-top: 30px;">
<p>
本邮件为系统自动发送，请勿直接回复~
</p>
</div>
<div style="color:#8c8c8c;;font-family: 'Century Gothic','Trebuchet MS','Hiragino Sans GB',微软雅黑,'Microsoft Yahei',Tahoma,Helvetica,Arial,'SimSun',sans-serif;font-size: 10px;width: 100%;text-align: center;">
<p>
©2017-2019 Copyright {author}
</p>
</div>
</div>
如果如果你是Typecho且嫌麻烦，请下载此插件，里面已集成此评论模板guest.html（点我下载）并参考给你的Typecho配置邮件通知评论功能-CommentToMail插件进行插件配置。
预览图
