退信信息:
Hi.Thisistheqmail-sendprogramatmx29.dns.com.cn.
I'mafraidIwasn'tabletodeliveryourmessagetothefollowingaddresses.
Thisisapermanenterror;I'vegivenup.Sorryitdidn'tworkout.
<Esiusany@aol.com >:
Connectedto205.188.190.1butgreetingfailed.
Remotehostsaid:4214.7.1:(RLY:B3)
http://postmaster.info.aol.com/errors/421rlyb3.html
I'mnotgoingtotryagain;thismessagehasbeeninthequeuetoolong.
根据退信提示,点击链接地址,查看报错原因:
421 RLY:B3
- The IP address you are sending from has been temporarily rate limited due poor reputation. Please visit this page for tips to improve your IP reputation
报错原因就是: 发信地址由于IP信誉问题暂时受到发送限制,根据提示点击“IP reputation”,进入AOL,以下是主界面:

点击“Check your IP reputation”进入信誉查询界面:

输入IP和验证码之后,可以看到查询结果:

以上显示结果就是“信誉较低”