You don't have to create an account on the instance to subscribe to their communities.
You can, for example, search for [email protected] to index that community from your home instance.
You don't have to create an account on the instance to subscribe to their communities.
You can, for example, search for [email protected] to index that community from your home instance.
From my understanding, it's an indicator that differentiates Lemmy links from email addresses.
If you follow the link conventions, [email protected] should link to a Lemmy community, rather than open a new email compose window.