# Change 'eu-west-1' according to your AWS SES SMTP setup! # Explicit SSL over port 587 $ openssl s_client -crlf -quiet -starttls smtp -connect email-smtp.eu-west-1.amazonaws.com:587 < unix-aws-ses-testmail.txt # Implicit SSL over port 465 $ openssl s_client -crlf -quiet -connect email-smtp.us-west-2.amazonaws.com:465 < unix-aws-ses-testmail.txt