If you write things regarding the BSD-licenses software (including current & future distributors & forks), disregard what the current commercial "owner" does. Servers (or any system daemons, really) are traditionally spelt all-ASCII-lowercase for interoperability and principle of least surprise.
If you write things regarding the commercial offerings, match their spelling and clarify the entity selling it.
If you write things regarding the BSD-licenses software (including current & future distributors & forks), disregard what the current commercial "owner" does. Servers (or any system daemons, really) are traditionally spelt all-ASCII-lowercase for interoperability and principle of least surprise.
If you write things regarding the commercial offerings, match their spelling and clarify the entity selling it.