Yes! With the Dedicated Pro Bundle you can use your own email provider. This way all login emails will be sent from your domain instead of noreply@trymagic.com.
To subscribe to the Dedicated Pro Bundle, login to the Magic dashboard and navigate to your Account settings. There you can start with a 7-day free trial by first clicking the Upgrade button then choosing Dedicated Pro Bundle and submitting your payment details.
When you have access to this feature you will navigate to your app's settings in the Magic dashboard. Scroll down Custom Email Provider to fill enter the configuration details for your email provider.