MORE INFORMATION Collected Status Codes First Digit 2.X.X Success 4.X.X Persistent Transient Failure ³ÖÐøÐÔ¶ÌÔݵĹÊÕÏ 5.X.X Permanent Failure ÓÀ¾ÃµÄ´íÎó
Second and Third Digits X.1.0 Other address status X.1.1 Bad destination mailbox address X.1.2 Bad destination system address X.1.3 Bad destination mailbox address syntax X.1.4 Destination mailbox address ambiguous X.1.5 Destination mailbox address valid X.1.6 Mailbox has moved X.1.7 Bad sender's mailbox address syntax X.1.8 Bad sender's system address
X.2.0 Other or undefined mailbox status X.2.1 Mailbox disabled, not accepting messages X.2.2 Mailbox full X.2.3 Message length exceeds administrative limit X.2.4 Mailing list expansion problem
X.3.0 Other or undefined mail system status X.3.1 Mail system full X.3.2 System not accepting network messages X.3.3 System not capable of selected features X.3.4 Message too big for system
X.4.0 Other or undefined network or routing status X.4.1 No answer from host X.4.2 Bad connection X.4.3 Routing server failure X.4.4 Unable to route X.4.5 Network congestion X.4.6 Routing loop detected X.4.7 Delivery time expired
X.5.0 Other or undefined protocol statusÆäËü»òÕß²»Ã÷È·µÄͨѶÐÒé״̬ X.5.1 Invalid command ÎÞЧµÄÖ¸Áî X.5.2 Syntax error Óï·¨´íÎó X.5.3 Too many recipients Ì«¶àµÄ½ÓÊÜÕß X.5.4 Invalid command arguments ÎÞЧµÄÖ¸ÁîÒªÖ¼ X.5.5 Wrong protocol version ´íÎóµÄͨѶÐÒé°æ±¾
X.6.0 Other or undefined media error ÆäËü»òÕß²»Ã÷È·µÄ»·¾³,ýÌå´íÎó X.6.1 Media not supported »·¾³Ã½Ìå²»Ö§³Ö X.6.2 Conversion required and prohibited ±ä»»ÃüÁîºÍ·Á° X.6.3 Conversion required but not supported ±ä»»ÃüÁ²»Ö§³Ö X.6.4 Conversion with loss performed ±ä»»°üÀ¨ÒÅʧִÐÐ X.6.5 Conversion failed ±ä»»´íÎó
X.7.0 Other or undefined security status ÆäËü»òÕß²»Ã÷È·°²È«×´Ì¬ X.7.1 Delivery not authorized, message refused´«ËͲ»¾ÊÚȨ,ѶϢÀ¬»ø X.7.2 Mailing list expansion prohibitedÓʼþÃû²á¿í¶È·Á° X.7.3 Security conversion required but not possible X.7.4 Security features not supported X.7.5 Cryptographic failure X.7.6 Cryptographic algorithm not supported X.7.7 Message integrity failure ѶϢÍêÈ«¹ÊÕÏ ²¿·ÖÒÑ·Òë,²¿·ÖÒ»¿´¾Í¶®,²¿·ÖÎÒ¶¼¿´²»¶®,¹þ¹þ!
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