$remailer{"pobox"} = "<mix@antagonism.org> mix middle remix inflt50 rhop5 reord";

Here is the Mixmaster key:

=-=-=-=-=-=-=-=-=-=-=-=
pobox mix@antagonism.org 63e07aaca52e4ddca09519696542422a 2:3.0 MC 2011-10-31 2012-11-24

-----Begin Mix Key-----
63e07aaca52e4ddca09519696542422a
258
AASmkUNZxY1GluhHf3bMwidKZjDTGA7dwOSpOoi3
H8KfJiX1WYcJDeuXrnQ67Uc0GeOs9DKxZNd1tawt
My/31E8UbDMY2Raw7O7SO1SFvvND5Q6Zkkj1NNxA
r6BPTe4TneNEFLFU6GWrmRi+IjAte1YE/HG9EFoO
4La2j9s+UpMogwAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAQAB
-----End Mix Key-----