Mail::SPF::MacroString(3pm) on Linux
The text 8c11cff1da3b, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
SPF record macro string class
The text 8c11cff1da3b, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
SPF record macro string class