Easy Affiliate delivers emails using WordPress' standard wp_mail() method. So, if your Easy Affiliate emails are not being delivered, you likely have an issue with all emails from your website.
We recommend working with your Webhost to fix it. In most cases, using an SMTP plugin like WP Mail SMTP along with an SMTP service like Gmail or SendGrid can solve most email deliverability issues.
Unfortunately, email issues are typically a hosting issue. There's not a lot we can do to help outside of the recommendations above. However, we're always happy to take a second look at your setup if you'd like us to first. Just contact our support for further help.
