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ESM 6.8c: How to configure external smtp server that requires credentials? - ArcSight User Discussions - ArcSight
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How to fix 'the SMTP server requires a secure connection or the client was not authenticated' error when the server response was 5.7.0? - Stack Overflow
![HS SMTP is a software library in C (supplied with full source code) which implements the client side of Simple Mail Transfer Protoco… | Software, Coding, Ip address HS SMTP is a software library in C (supplied with full source code) which implements the client side of Simple Mail Transfer Protoco… | Software, Coding, Ip address](https://i.pinimg.com/originals/39/2f/be/392fbedf876ac50a12552a3bf6ece853.png)
HS SMTP is a software library in C (supplied with full source code) which implements the client side of Simple Mail Transfer Protoco… | Software, Coding, Ip address
![How to fix 'the SMTP server requires a secure connection or the client was not authenticated' error when the server response was 5.7.0? - Stack Overflow How to fix 'the SMTP server requires a secure connection or the client was not authenticated' error when the server response was 5.7.0? - Stack Overflow](https://i.stack.imgur.com/A9fkI.png)