okamos

Easily send emails using Amazon SES. 
This plugin reconfigures the wp_mail() function and create an option page.
Note: Before you can send an email using Amazon SES, you must verify email address (or the domain). See http://docs.aws.amazon.com/ses/latest/DeveloperGuide/verify-addresses-and-domains.html
Features:
<ul>
<li>Setting AWS access_key_id, secret_key_id, email… etc.</li>
<li>Validation of Amazon API Credentials and Email.</li>
<li>Send test message.</li>
</ul>
Roadmap:
<ul>
<li>Display send quota.</li>
</ul>

WP easy mail SES

Easy to use. Send emails via AWS Simple Email Service(SES)

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Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application. You can configure Amazon SES quickly to support several email use cases, including transactional, marketing, or mass email communications.

Simple AWS SES Mail

Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service

WP easy mail SES vs Simple AWS SES Mail