First, thanks, all, for the quick replies with 
regards to the AOL email situation.  The update I got from my client's 
email provider is that they have been blacklisted by AOL (reason not given), and 
have asked for our assistance in solving the blacklist problem.
 
I also received one of 
the bounces from a client employee.  It comes not from AOL, but from the 
outbound SMTP server stating that 
  ----- Original Message ----- 
  
  
  Sent: Friday, July 22, 2005 8:39 AM
  Subject: AOL and mail-accepting 
  rules
  
  I have a client 
  who is experiencing problems with sending mail to AOL.  
  I am not resposible for their email service (yet) but I'd like to know if AOL 
  has changed their policy on anti-spam / mail receipt for their customers (RBL, 
  SORBS, rDNS validation), or if there's a real problem with AOL inbound mail 
  for the past 2-3 days.
   
  thanks
  -e-