Email address verification in AWS is really simple. Just follow these steps accordingly:
1. Login to AWS Management Console
2. Select Verified Identities
3. Under Verified Identities, Click Create Identity
4. In Create Identity, Select Email Address and enter your Email Address you want to verify
5. Now Click Create Identity
After this Amazon will send an email to this address with a link, all you need to do is click on the link and your email ID will be verified.