How to stop the NT4 Option Pack/Windows 2000 SMTP service from advertising 8bitmime?
January 8, 2000
A. Start a telnet session with the SMTP service (port 25) and enter"EHLO server-name". Note the presence of the keyword"8bitmime".
To disable the advertising of 8bitmime perform the following:
Stop the SMTP service (use the Internet Information Services MMC snap-in,select SMTP Service, right click and select Stop)
Make a copy of the file %systemroot%System32Inetsrvmetabase.bin file
C:> copy %systemroot%System32Inetsrvmetabase.bin%systemroot%System32Inetsrvmetabase.backupStart a command window (cmd.exe)
Insert the option pack 4 CD or the Windows 2000 installation CD (dependingon what you are running)
Change directory to the I386 area on the option pack 4 CD or if 2000extract the mdutil.ex_ file from the I386 directory to a temp area
C:> expand mdutil.ex_ c:tempmdutil.exeType the following command (after moving to the temp area if Windows 2000)
C:> mdutil SET -path:smtpsvc -prop:36865 -utype:UT_SERVER-dtype:DWORD -attrib:INHERIT -value:0The following will be displayed:
36865 : [IS] (DWORD) 0x0={0}
You're adding (or changing) a property's value. The property's ID number is36865, and you are setting the value to 0.Use the IIS MMC to start the SMTP service.
If you now telnet to the SMTP service you will notice the 8bitmime is nolonger advertised.
To reverse the process, repeat steps 1 through 4, reenter the data in step5, but this time, change the "-value:0" to "-value:1".
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