Hi Brian,

Our latest build 1.1.0.90 does exactly that (among other things). From our release notes at http://www.logsat.com/spamfilter/ReleaseNotes.htm:

// New to VersionNumber = '1.1.0.90';
{TODO -cDone : Add optional list of RCPT TO authorized emails - email will only be delivered if in list}
{TODO -cDone : Add whitelist of FROM emails in addition to domains}
{TODO -cDone : Disable Max RCPT TO by entering 0}
{TODO -cDone : Block emails with empty FROM field}
{TODO -cDone : Block emails when Email To is the same as Email From}
{TODO -cDone : Added customization response for blacklisted "Mail To" in addition to "Mail From"}
{TODO -cDone : Moved "Excluded Domains/IP entries from INI file to standalone file}
{DONE -cFix : Attempted to fix incorrect subject headers with non-ISO characters}
{DONE -cFix : Again - Exception occurred during RECEIVEMESSAGE and Exception occurred during TimerSecondTimer}
{DONE -cFix : Spelling mistakes}
{DONE -cFix : Invalid Packet Size exceptions on invalid reverse lookups}

Roberto Franceschetti
LogSat Software

Thanks for the suggestions Brian,

We're aware of issues with the service in NT4 and are trying to fix them for the next build. We may be able to include some ofo your suggestions in there as well.

Roberto Franceschetti
LogSat Software

Yes, log filtering will be good to see!!!

I mean to log to files only blocks and errors.

OR to select what to display: to display blocks and errors in activity window