• 用System.Net.Mail发送邮件时错误信息


    用System.Net.Mail发送邮件时错误信息  

    配置示例如下:

    <appSettings>

            <add key="EmailFrom" value="emanxaut@xaut.edu.cn"/>
            <add key="EmailTo" value="eman@xaut.edu.cn"/>
            <add key="SmtpServer" value="mail.xaut.edu.cn"/>
            <add key="Port" value="25"/>
            <add key="MailUser" value="emanxaut"/>
            <add key="MailPassword" value="xxxxx"/>
            <add key="NeedCredential" value="true"/>
            <add key="EnableSSL" value="false"/>

        </appSettings>

    配置错误及提示信息:

    SmtpServer错误:

      Unable to connect to the remote server

    Port错误:

      Unable to connect to the remote server

    MailPassword错误:

      The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required.

    MailUser错误:

      The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. 

    EnableSSL错误:

      The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Must issue a STARTTLS command first. w12sm2503911tib.10

    EmailTo错误:

      仍然可以“成功”发送,无错误提示。

    EmailFrom错误:

      仍然可以“成功”发送,无错误提示。

    NeedCredential错误:

      The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required.

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  • 原文地址:https://www.cnblogs.com/emanlee/p/1324157.html
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