# NoAuthentication
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Explicitly indicate that the relay destination server does not require SMTP credential authentication.

## Contents
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The members of this exception structure are context-dependent.

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/mailmanager-2023-10-17/NoAuthentication) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/mailmanager-2023-10-17/NoAuthentication) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/mailmanager-2023-10-17/NoAuthentication)