This may be the full NNTP URL of an independently-run mirror.
For example, the https://public-inbox.org/meta/ inbox is
mirrored by Gmane at
-C<nntp://news.gmane.org/gmane.mail.public-inbox.general>
+C<nntp://news.gmane.io/gmane.mail.public-inbox.general>
Default: none
A list of comma-delimited email addresses may be specified.
This can be useful for dedicated inboxes for bot emails, but
-discussion happens on a seperate mailing list/inbox.
+discussion happens on a separate mailing list/inbox.
Mirrors of existing centralized mailing lists may use ":list"
here to redirect mail only to the configured inbox address.