bg3ahf请注意:
this message is generated by coremail email system.
i'm sorry to have to inform you that the message returned
很抱歉地通知您,邮件无法投递到指定收件人,请查看下面的退信原因,详细解答可到以下网址查看:
http://postmaster.163.net/ 您发送的邮件原文就在附件中,我们将不再尝试发送,请先通过其它非电子邮件的方式与对方联系,以免耽误。
你发送到bg3ahf@126.com的邮件由于以下原因被退回 : 521 coremailsys:this user has too many concurrents, please try again later.
the message to
bg3ahf@126.com is bounced because : 521 coremailsys:this user has too many concurrents, please try again later