Good Day

We have been running EMWAC for several years with Mike's SMTPRCV (thanks Mike) and Paul Sica's SCSMFILTER. We have had the latest version of SMTPRCV 0.48 installed for several months as well as AVP 1.01.
We use an older version of Bind DNS 4.9.5
All has been working AOK until Friday, Dec. 12 - since that afternoon the server (which has had no changes since mid November IE patches) has been exhibiting major memory leakage with SMTPRCV but is hard to pin down. Removed and Installed a fresh copy of SMTPRCV - no change - the problem appears to be getting worse (could it be something with Spamcop black list - our main one - bl.spamcop.net) all logs appear normal except in the Application Event Log POP3S errors would appear about the same time as the SMTPRCV memory usage was climbing often the first service to fail was the MacPrint services (since moved to another server and disabled) DNS fails with the error below and then without any log but visually confirmed the SCSMFILTER would fail. Often the server would continue to receive mail for some time after these services failed before the SMTPRCV service failed.

MacPrint error - Event ID: 2009
The Windows NT Print System is not responding

POP3S errors - Event ID: 32
Win32 API routine "Logon failure User not known" failed: 1723
and
Win32 API routine "Logon failure - Password may be wrong" failed: 1455

Generally leading to DNS error - Event ID: 1
savedata: malloc: Exec format error - ABORT

Any thoughts would be much appreciated, thank you.
Regards
Don

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 Don R. Hill
 Northern Lights College
 Computer Systems Support Analyst
 Regional Administration
 11401 - 8 Street
 Dawson Creek, BC, Canada   V1G 4G2
 [EMAIL PROTECTED]   http://www.nlc.bc.ca
Ph. (250) 784-7558 Fax: (250) 782-5233
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