Strange problem which is starting to plague us more and more: Two filters load balanced on MX. MailScanner 4.31.6. Dual Xeon 2.4 with 2GB RAM First on RH9, sendmail 8.12.8-9.90 Second on FC1, sendmail 8.12.10-1.1.1 These process about 90k messages per day, usually with only a few messages queued.