我正在尝试发送消息,我们有时会收到此错误:
Service not available, closing transmission channel. The server response was: 4.4.2 Timeout while waiting for command.
谁知道该怎么办?因为它只是"有时"发生,并且出于没有特殊原因.
我看到很多文章说:(
442 The server started to deliver the message but then the connection was broke来源:http://www.sorkincomputer.net/SMTP%20errors.htm)
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