![สอบถาม เรื่องการส่งEmail เวลาลืมรหัสผ่าน c# โปรแกรมแจ้งว่า An exception of type 'System.Net.Mail.SmtpException' occurred in System.dll but was not handled in user code Additional information: Cannot get IIS pickup directory. สอบถาม เรื่องการส่งEmail เวลาลืมรหัสผ่าน c# โปรแกรมแจ้งว่า An exception of type 'System.Net.Mail.SmtpException' occurred in System.dll but was not handled in user code Additional information: Cannot get IIS pickup directory.](https://www.thaicreate.com/upload/stock/20160716175112.png?v=1001)
สอบถาม เรื่องการส่งEmail เวลาลืมรหัสผ่าน c# โปรแกรมแจ้งว่า An exception of type 'System.Net.Mail.SmtpException' occurred in System.dll but was not handled in user code Additional information: Cannot get IIS pickup directory.
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SystemNetMailSmtpException The SMTP server requires a secure connection or the client was not authenticated
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C# : System.Net.Mail.SmtpException: The operation has timed out. error in asp.net send mail code usi - YouTube
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c# - SSIS script task failing to send email SMTPexception:System.IO.IOException: Unable to read data from the transport connection: net_io_connectionclosed - Stack Overflow
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c# - The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required? - Stack Overflow
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c# - Gmail Error : System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated - Stack Overflow
![c# - System.Net.Mail.SmtpException: 'The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Auth - Stack Overflow c# - System.Net.Mail.SmtpException: 'The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Auth - Stack Overflow](https://i.stack.imgur.com/dNi26.png)
c# - System.Net.Mail.SmtpException: 'The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Auth - Stack Overflow
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vb.net - System.Net.Mail.SmtpException The SMTP server requires a secure connection or the client was not authenticated - Stack Overflow
![SMTP Server: Authentication the Server Response was 5.5.1 Authentication required in gmail - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds SMTP Server: Authentication the Server Response was 5.5.1 Authentication required in gmail - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds](https://3.bp.blogspot.com/-2j4Ei4x9MGY/VWHECsJ36BI/AAAAAAAABcI/nOqy_aUnVeo/s1600/Gmail_Settings.png)