Spam and Ham corpora

[J4]

Dear all,

    I am cure this question has come up before on this list, yet after
spending a little while trawling Google, I did not find any sites :(  So
I ask here!

Are there are any recent (<6 months) ham or spam corporaout there that I
can download and feed into sa-learn?  I would like to give the server a
small head-start.

Ciao,s.