Can you please let us know what version of SpamFilter you are using (and if it's in "Enterprise" or "Standard" mode)?

Can you please check in the file \SpamFilter\domains\SFI\Filters.ini the entry:

WL_AutoWhiteListForceDeliveryFileName=C:\Program Files\SpamFilter\domains\SFI\WL_AutoWhiteListForceDelivery.t xt

and ensure that the filename specified does include a full path name, as above?

If the entry only contains a reference to the filename, without the path, it's possible that SpamFilter will not know what directory the file is in, and will use whatever directory Windows uses as the default at that time. In this case, you most likely will have multiple copies of that file scattered throughout your hard drives.

If the entry does have the full path name, we need to look elsewhere. SpamFilter will add the entry to the file within 5 seconds after the email has been force-delivered. This time may increase if your database is busy and the query that runs every 5 seconds has an occasional timeout (in this case, it will be re-checked after another 5 seconds, and again, and again). However, if the email is indeed delivered, that indicates that there were no database problems, and the entry should have been created. If so, if you can please zip and email us the section of SpamFilter's activity logfile contianing about 10 minutes of entries, starting from the time you force-deliver the email, hopefully we'll be able to find out more.