I would try to go through some of the troubleshooting here. https://aws.amazon.com/premiumsupport/knowledge-center/smtp-connectivity-timeout-issues-ses/
Jan 6, 2023
3
Level 1
Amazon Ses not working
Hello everyone, i am using Amazon SES as a mail driver. It works on my localhost but it don't work on my production server. I get this error;
Connection could not be established with host "email-smtp.us-west-2.amazonaws.com:587": stream_socket_client(): Unable to connect to email-smtp.us-west-2.amazonaws.com:587
What can i do?
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