To customize the email sent to listeners, click "Add Listeners" in your feed and type your text in the second box. The first box is for listener email addresses.

You can preview what the email will look like by clicking Send Preview. It will be sent to your account's email address.

The input is plain text, but you can add paragraph line breaks and emojis.

The text appears to the right of you podcast image in the email.

If you'd like to send the link using your own email system, here's an example of how to do so using ActiveCampaign: https://help.helloaudio.fm/article/52-activecampaign

It's a similar process for most email platforms. You'll need to create a custom field to add the link to the contact.