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JMail组件发送邮件功能，跳出如下错误，请问可以怎么解决呢？
The message was undeliverable. All servers failed to receive the message
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Runtime.InteropServices.COMException: The message was undeliverable. All servers failed to receive the message
Source Error:
Line 41: mymessage.AddRecipient(TextBox_receiver.Text, "", "");
Line 42:
Line 43: mymessage.Send(smtp, false);
Line 44:
Line 45: } |
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