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I got an email from AWS saying that I need to update to Signature Version 4.
The email said
We have identified that, between 2021-05-31 and 2021-06-07, your AWS account ————– used Signature Version 3 to call Amazon SES APIs in the us-west-2 Region.
I thought that the SMTP plugin had already migrated to version 4 but AWS shows use of V3 up until yesterday.
It then said
To move to Signature Version 4:
– If you are self-signing your requests, refer to our documentation for Authenticating requests to the Amazon SES API [1] and creating a canonical request for Signature Version 4 [2].
– If you are not self-signing your requests, simply update your SDK/CLI to the latest version.
Is this move to V4 covered in the SES portion of the WP Mail SMTP plugin or is more action required on my part?
Thanks!