Error: At least one of the pre-conditions you specified did not hold
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I'm having a very strange issue with SES, I keep getting the error "At least one of the pre-conditions you specified did not hold" and I don't know what exactly goes wrong.
The issue was that I was using the wrong region for ses client. For some reason due to a configuration mishap a S3 region was used instead ('s3.us-east-1'). The extra s3 caused the issue.
