Amazon SES 403 Forbidden SignatureDoesNotMatch using Laravel 5.3

I am using Laravel 5.3, EC2 and SES to send emails.

.env has

MAIL_DRIVER=ses
MAIL_HOST=email-smtp.us-west-2.amazonaws.com
MAIL_PORT=25
MAIL_ENCRYPTION=TLS
SES_KEY='AKIA------DZQ5TYQ'
SES_SECRET=AhN8d----------------ZbBq7TNBmhNnosfYbasg6Q
SES_REGION='us-west-2'

EC2 is hosted in Mumbai and SES in us-west. I have tried the following : 1) Creating new IAM user and using the new key/secret. 2) Creating root user key/secret. 3) Running NTPDATE command. 4) php artisan cache:clear

I am still seeing the following error : http://ift.tt/2qiflSp

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