Hi
Not so much information provided from you but I think the following documents may help:
SES delivery problem: https://docs.aws.amazon.com/ses/latest/dg/troubleshoot-delivery.html
Three places where your email could get delayed when sending through SES : https://aws.amazon.com//blogs/messaging-and-targeting/three-places-where-your-email-could-get-delayed-when-sending-through-ses/
Please have a look and let us know more details if possible
Would be good to start with " Verify that you made a SendEmail or SendRawEmail request for the email in question and that you received a successful response. If you are making these requests programmatically, check your software logs to ensure that the program made the request and received a successful response"
Regards,
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