退信

• 退信报错：554 5.7.1 This message has been blocked because ASE reports it as spam
• 退信报错：554 Content filter will not allow this message
• 退信报错：550 Backend Replied [xxx.mxlogic.net]:Denied by policy (Mode: normal)
• 退信报错：550 Mail is rejected by recipients
• 退信报错：451 Failed to store message for
• 退信报错：554 5.7.1 Client host rejected: Access denied
• 退信报错：552 Sorry, your host is blocked by spam detection system
• 退信报错：554 mail server permanently rejected message (#5.3.0)
• 退信报错：550 Relaying mail to 81170011@cptt.com.tw is not allowed
• 退信报错：550 Sender has no A, AAAA, or MX DNS records
• 退信报错：500 Line too long
• 退信报错：550 5.7.1 message content rejected
• 退信报错：552 5.3.4 Error: message file too big
• 退信提示："邮件内容未能通过收件方的安检"
• 退信提示："ssl连接错误,errorCode:5"