spamd Cannot create lock files

[Dave Williss]

Trying to solve my previous problem, I find in my /var/log/mail.err a 
lot of errors like:

locker: safe_lock: cannot create tmp lockfile 
/home/dwilliss/.spamassassin/bayes.lock.tnt.microimages.com.18000 for 
/home/dwilliss/.spamassassin/bayes.lock: Permission denied

My .spamassasin directory has permissions drwx--x--x, owner dwilliss, 
group users.
I tried giving it global read but that didn't help.  I don't have to 
give it global write, do I?