Important: Pastebin.mozilla.org was shut down on September 1st, 2018.
A list of alternatives in bug 1480438 including:
Public-facing, authentication required:
Public-facing, unauthenticated, unsupported:
Authenticated Mozillians can choose:
- the Mana collaborative editor (coming soon)
Other, less practical suggestions have included:
- Bathroom walls
- Various proposals involving the phrase "beware of the leopard"