<!-- 邮件折叠模式头区域 -->
<div class='mail_preview_box {{read_state}}'>
	<div class="mail_preview_left">
	    <div class="mail_head_readmark"></div>
	    <div class="mail_head_sender ellipsis">{{contact_display}}</div>
	</div>
	<div class="mail_preview_main">
	    <div class="mail_preview_abstract ellipsis" {{load_abstract_key}}="{{load_abstract_value}}">{{abstract}}</div>
	</div>
	<div class="mail_preview_right">
	    <div class="mail_head_attachment {{attachment_mark_hide}}"></div>
	    <div class="mail_head_date">{{date_short}}</div>
	    <div class="mail_head_time">{{time_short}}</div>
	</div>
</div>