邮件退信原因

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邮件退信原因

退信信息 错误类型 问题原因及解决办法

User not found

550 收件人地址有错误

收件人地址错误或处于不可用状态,请检查收件人拼写或其它方式

联系收件人

Recipient address rejected: Quota exceeded or service

disabled 550 Mailbox not found 550 This user doesn't have a

××××

account

554 The email account that you tried

to reach does not exist 550 mailbox unavailable 550 user not

exist

550 User unknown in local recipient

table 550 Invalid User 550 mail size or count over quota 552

收件人邮箱空间不足

收件箱或邮件超空间限制,请用其它方式联系收件人或稍后再试

Mailbox has exceeded the limit

552 quota exceed

552 Mailbox Is Full

552 message size ×××× exceeds size limit ×××× of server

mail 552 邮件大小超出限制

邮件大小、附件大小超出收件服务器限制,减小邮件大小后再试

mail size or count over quota 552 Your message attachment

exceeds ×××× limits 554 mail rejected by antispam server 550 邮件被对方服务器拒绝

邮件被收件方服务器判为了垃圾邮件,向邮件管理员反馈或用其它 方式联系收件人

this mail is blocked by kbas

system 553 sender reject 553 Service unavailable

554 Your access to this mail system has been rejected due to

the sending MTA's poor reputation 554

Too many concurrent SMTP connections; please try again

later

421

System busy now, please come

back later 451

邮件服务器服务异常

邮件服务器服务异常(或反垃圾策略限制原因),稍后再试或向管理

员反馈

Service not available - too busy

421

Resources temporarily

unavailable. Please try again later

451