I've "suspended" my MINDSPRING.COM subscribers as of last Saturday:

Received: from PSUVM (NJE origin LISTSMTP@PSUVM) by PSUVM.PSU.EDU (LMail
           V1.2c/1.8c) with BSMTP id 7097; Sat, 17 Jul 1999 19:05:11 -0400
Date: Sat, 17 Jul 99 19:05:10 EDT
From: <[log in to unmask]>
To: <[log in to unmask]>
Subject: Undeliverable Mail

LISTS.PSU.EDU unable to deliver following mail to recipient(s):
     <[log in to unmask]>
LISTS.PSU.EDU unable to connect for 3 days to recipient host.


At 05:38 07/20/1999 Tuesday , Elliott Parker wrote:
 >Is anybody else getting a lot of bounces from mindspring addresses?
 >   The last few days it looks like everything from [log in to unmask]
 >to a mindspring address is bouncing.