Regardless of configuration, you still need to access the instance from mastodon.mydomain.tld or lemmy.mydomain.tld, but you can configure the Mastodon to use @[email protected] as its identifier by setting WEB_DOMAIN
to mydomain.tld
.
Mastodon documentation on the topic: https://docs.joinmastodon.org/admin/config/#web_domain
Unironically this. Also Juniper Junos.