Used to enable or disable DKIM authentication for an email identity.
See https://www.paws-r-sdk.com/docs/pinpointemail_put_email_identity_dkim_attributes/ for full documentation.
pinpointemail_put_email_identity_dkim_attributes(
EmailIdentity,
SigningEnabled = NULL
)[required] The email identity that you want to change the DKIM settings for.
Sets the DKIM signing configuration for the identity.
When you set this value true, then the messages that Amazon Pinpoint
sends from the identity are DKIM-signed. When you set this value to
false, then the messages that Amazon Pinpoint sends from the identity
aren't DKIM-signed.