Under Settings, you can connect Audience to Mailgun, AWS SES or Sendgrid to send your emails.

Connect Audience to Amazon Simple Email Service (SES)

You will need to set the Region to the region that your AWS SES is setup.

Then enter the API Key and API Secret.

The Email used here must be added as an enabled email on your AWS SES account.

Once you enter your details and click Save Settings. Audience will send a verification email using those settings. 

If the email sends successfully you will need to click the "activate email" button in the email to enable your email provider in Audience. 

If the email fails, it will report that in the screen along with any message from your email provider.