退信代码553
2019-8-5[已读：1222]
553 Requested action not ...
[分类：退信分析]
4.1.0
2019-8-5[已读：1176]
4.1.0Other address status...
[分类：退信分析]
4.1.8
2019-8-5[已读：1172]
4.1.8Bad sender's system ...
[分类：退信分析]
退信代码451
2019-8-5[已读：1167]
451 Requested action abor...
[分类：退信分析]
退信代码452
2019-8-5[已读：1142]
452 Requested action not ...
[分类：退信分析]
退信代码421
2019-8-5[已读：856]
421 Service not available...
[分类：退信分析]
4.1.7
2019-8-5[已读：825]
4.1.7Bad sender's mailbox...
[分类：退信分析]
4.1.6
2019-8-5[已读：813]
4.1.6Mailbox has moved信箱已...
[分类：退信分析]
退信代码550
2019-8-5[已读：789]
550 Requested action not ...
[分类：退信分析]
4.1.X
2019-8-5[已读：788]
4.1.X 表示邮件地址(Address)问题...
[分类：退信分析]
退信代码551
2019-8-5[已读：769]
551 User not local; pleas...
[分类：退信分析]
4.1.1
2019-8-5[已读：765]
4.1.1Bad destination mail...
[分类：退信分析]
4.1.5
2019-8-5[已读：763]
4.1.5Destination mailbox ...
[分类：退信分析]
4.1.3
2019-8-5[已读：753]
4.1.3Bad destination mail...
[分类：退信分析]
4.1.2
2019-8-5[已读：748]
...
[分类：退信分析]
4.1.4
2019-8-5[已读：741]
4.1.4Destination mailbox ...
[分类：退信分析]
