退信代码553
2019-8-5[已读：1527]
553 Requested action not ...
[分类：退信分析]
退信代码451
2019-8-5[已读：1469]
451 Requested action abor...
[分类：退信分析]
退信代码452
2019-8-5[已读：1467]
452 Requested action not ...
[分类：退信分析]
4.1.0
2019-8-5[已读：1433]
4.1.0Other address status...
[分类：退信分析]
4.1.8
2019-8-5[已读：1414]
4.1.8Bad sender's system ...
[分类：退信分析]
退信代码421
2019-8-5[已读：1025]
421 Service not available...
[分类：退信分析]
退信代码550
2019-8-5[已读：1009]
550 Requested action not ...
[分类：退信分析]
4.1.6
2019-8-5[已读：1001]
4.1.6Mailbox has moved信箱已...
[分类：退信分析]
4.1.7
2019-8-5[已读：991]
4.1.7Bad sender's mailbox...
[分类：退信分析]
4.1.X
2019-8-5[已读：961]
4.1.X 表示邮件地址(Address)问题...
[分类：退信分析]
4.1.1
2019-8-5[已读：953]
4.1.1Bad destination mail...
[分类：退信分析]
退信代码551
2019-8-5[已读：945]
551 User not local; pleas...
[分类：退信分析]
4.1.3
2019-8-5[已读：936]
4.1.3Bad destination mail...
[分类：退信分析]
4.1.2
2019-8-5[已读：927]
...
[分类：退信分析]
4.1.5
2019-8-5[已读：903]
4.1.5Destination mailbox ...
[分类：退信分析]
4.1.4
2019-8-5[已读：895]
4.1.4Destination mailbox ...
[分类：退信分析]
