邮件密送是什么意思？

<div yne-bulb-block="paragraph" style="" >邮件密送：<b>同时将您需要发送的这封邮件发送给其他联系人，但是收件人和抄送人无法看到密送人</b>，且密送人也无法看到自己的邮箱账号，但可以看到发件人填写的收件人和抄送人。</div><div yne-bulb-block="paragraph" style="" ><br></div><div yne-bulb-block="paragraph" style="" ><div yne-bulb-block="paragraph" style="" >设置方式如下：</div><div yne-bulb-block="paragraph" style="" >1、点击页面右上方<span style="font-weight: bold;" >【密送】，</span>填写账号</div><div yne-bulb-block="paragraph" style="" >即可。</div><div yne-bulb-block="paragraph" style="" ><div yne-bulb-block="image" style="" ><img src="http://nos.netease.com/help/828dde727fc2262a685fa1e857e639eb.jpg" ></div><div yne-bulb-block="image" style="" ><img src="http://nos.netease.com/help/a5e1ada6fc293543081c0a6c4378a303.jpg" ></div><!--5f39ae17-8c62-4a45-bc43-b32064c9388a WsiYmxvYtJZCIIjEMTMtMTYNDkNzIyOTIMCIsImJsbNrVHlwZSIImltYWdlIiwicRbGVzIjpIndpZHRoIjoMjAsImhlaWdodCIMjMyLCJhbGlnbiIImxlZnQiLCJmbGhdCIImvbmUiLCJiYWNrLWNvbGyIjoiIiwicGFkZGluZyIIiJLCJeXBlIjoiaWhZUiLCJzbVyYUiOiIRjkNjUwMDQQTANjgQUUyRUNGMIzQZBRkZENyIsInRpdGxlIjoiInd--></div><!--5f39ae17-8c62-4a45-bc43-b32064c9388a WsiYmxvYtJZCIIjEyMjctMTYNDkNzIzNTAxMCIsImJsbNrVHlwZSIInBhcmFncmFwaCIsInNeWxlcyIeyJhbGlnbiIImxlZnQiLCJpbmRlbnQiOjAsInRleHQtaWkZWIjowLCJsaWlLWhlaWdodCIMSNSwiYmFjayjbxvciIIiIsInBhZGRpbmciOiIifSwidHlwZSIInBhcmFncmFwaCIsInJpYhUZXhIjpImRhdGEiOltImNoYXIiOiLorrifSxImNoYXIiOiLnvaifSxImNoYXIiOiLmlrkifSxImNoYXIiOiLlvIifSxImNoYXIiOiLlpoIifSxImNoYXIiOiLkuIsifSxImNoYXIiOiLvvJoifVsImlzUmljaFRleHQiOnRydWUsImtlZXBMaWlQnJlYWsiOnRydWVfSxImJsbNrSWQiOiIMTQyLTENDQOTcyMzYMzIiLCJibGjaRcGUiOiJwYXJhZJhcGgiLCJzdHlsZXMiOnsiYWxpZiOiJsZWZIiwiaWkZWIjowLCJZXhLWluZGVudCIMCwibGluZSoZWlnaHQiOjEuNzUsImJhYstYsbIiOiIiLCJwYWRkaWnIjoiInsInRcGUiOiJwYXJhZJhcGgiLCJyaWNoVGVdCIeyJkYXRhIjpbeyJjaGFyIjoiMSJLHsiYhhciIIuOAgSJLHsiYhhciIIueCuSJLHsiYhhciIIuWHuyJLHsiYhhciIIumhtSJLHsiYhhciIIumdoiJLHsiYhhciIIuWPsyJLHsiYhhciIIuSiiJLHsiYhhciIIuaWuSJLHsiYhhciIIuOAkCIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiaGIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLpgIEiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuOAkSIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiyMIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLloasifSxImNoYXIiOiLlhpkifSxImNoYXIiOiLluJAifSxImNoYXIiOiLljcifSxImNoYXIiOiLljbMifSxImNoYXIiOiLljifVsImlzUmljaFRleHQiOnRydWUsImtlZXBMaWlQnJlYWsiOnRydWVfV="--" ></div><!--5f39ae17-8c62-4a45-bc43-b32064c9388a WsiYmxvYtJZCIIjQzMjgtMTYNDkNzIwMDYOCIsImJsbNrVHlwZSIInBhcmFncmFwaCIsInNeWxlcyIeyJhbGlnbiIImxlZnQiLCJpbmRlbnQiOjAsInRleHQtaWkZWIjowLCJsaWlLWhlaWdodCIMSNSwiYmFjayjbxvciIIiIsInBhZGRpbmciOiIifSwidHlwZSIInBhcmFncmFwaCIsInJpYhUZXhIjpImRhdGEiOltImNoYXIiOiLpgqiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuStiIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiaGIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLpgIEiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIumiIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoibCxIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLmmKiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuWQjCIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoipeIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLlsIYiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuimSIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoibCBIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLpgqiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuStiIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiYRIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLpgIEiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuemSIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiYWIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLkuYiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuiBlCIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiOIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLkuroiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIujCIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiLGIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLmmKiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuaUtiIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiLuIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLkuroiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuWSjCIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoioqEIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLpgIEiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuSuiIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoipegIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLmsUiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIueciyIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiYiwIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLlrYiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIumAgSIsInNeWxlcyIeyJibxkIjpcnVlfXseyJjaGFyIjoiLqIiwicRbGVzIjpImJvbGQiOnRydWVfSxImNoYXIiOiLjgIIiLCJzdHlsZXMiOnsiYmsZCIdHJZXLHsiYhhciIIuWvhiJLHsiYhhciIIumAgSJLHsiYhhciIIuSuiJLHsiYhhciIIuaYryJLHsiYhhciIIuaXoCJLHsiYhhciIIuazlSJLHsiYhhciIIueciyJLHsiYhhciIIuWIsCJLHsiYhhciIIuiHqiJLHsiYhhciIIuWsSJLHsiYhhciIIueahCJLHsiYhhciIIumCriJLHsiYhhciIIueusSJLHsiYhhciIIuWkCJLHsiYhhciIIuWPtyJLHsiYhhciIIujCJLHsiYhhciIIuWPqiJLHsiYhhciIIuiDvSJLHsiYhhciIIueciyJLHsiYhhciIIuWIsCJLHsiYhhciIIuWPkSJLHsiYhhciIIuStiJLHsiYhhciIIuSuiJLHsiYhhciIIuWhqyJLHsiYhhciIIuWGmSJLHsiYhhciIIueahCJLHsiYhhciIIuaUtiJLHsiYhhciIIuStiJLHsiYhhciIIuSuiJLHsiYhhciIIuWSjCJLHsiYhhciIIuaKhCJLHsiYhhciIIumAgSJLHsiYhhciIIuSuiJLHsiYhhciIIuOAgiJXSwiaXNSaWNoVGVdCIdHJZSwiaVlcExpbmVCcmVhayIdHJZXXQ="=--" >--></div>