退信
- 退信提示:"HL:IFC"
- 退信提示:"HL:REP"
- 退信提示:"org out rcpt count is exceeded"
- 退信提示:"503 RCPT account isn't a local account"
- 退信提示:"Sender frequency limited"
- 退信提示:"This User has too many concurrents"
- 退信提示:"too many recipients"
- 退信提示:"Illegal Attachment"
- 退信提示:"554 Virus content detected,Your mailbox found the virus,pleasere-sent after killing virus."
- 退信提示:"Message filtered"
- 退信提示:"551 virus infected mail rejected"
- 退信提示:"Virus found"
- 退信提示:"The message was rejected because it contains prohibited virus or spam content"
- 退信提示:"Recipient Rejected"
- 退信提示:"server permanently rejected message"