Subj : Re: Wildcat! Grey Listing System v1.00 BETA To : All From : john.kidwell@winserver.com Date : Thu Jan 31 2019 19:18:36 Date: Thu, 26 Oct 2006 23:50:09 -0400 From: "JOHN KIDWELL" To: HECTOR SANTOS Subject: Re: Wildcat! Grey Listing System v1.00 BETA Newsgroups: win.server.smtp.&.avs Message-ID: <1161921009.46.1161662860@winserver.com> References: <1161662860.46.1159721297@winserver.com> X-WcMsg-Attr: Rcvd X-Mailer: Wildcat! Interactive Net Server v7.0.454.5 Lines: 129 Hector: That sounds cool. Thanks again, John Kidwell On 10/23/06 11:57 PM, HECTOR SANTOS wrote to JOHN KIDWELL: -> WCSAP is really a separate package from SMTPFILTER which is a new WCX -> hooking system for 3rd party developers to write SMTPFILTER-myapp.WCX -> applications and put them in the DATA\SMTPFILTERHOOKLOADER.INI to run in -> the order you want. -> -> WCSAP is indepedent and is run after the address information is obtained -> (envelope). -> -> SMTPFILTER is design to run after WCSAP and after the DATA is obtained -> (inside the envelope, the body of the message). -> -> So WCSAP is to check the address. -> -> SMTPFILTER is to the BODY (and addresss too) or whatever you want it to do. -> People have hooks to forward email, copy email or people like Kloos's -> wsSpamGuard use it to tie into his ANTI-SPAM system. -> -> DATA\WCSMTP.INI was added to get new setup information. For now, it only -> has the timing stuff that we needed to add for the WCGREYLIST system, which -> is a SMTPFILTER application. -> -> -> Hope this helps -> -> --- -> HLS -> -> -> -> "JOHN KIDWELL" wrote in message -> news:1159721297.46.1155426833@winserver.com... -> > Hector: -> > I like the greylisting idea. I never thought about the temporary -> rejection - -> > try again thing. Over the past couple of years I have put off doing the -> > wcsap install mainly because I have been covered up with company details. -> > However, I plan to take a look at the greylisting thing next week. -> > -> > One question; do I need to install wcsap first? -> > -> > Or, is this a simple change in the DATA\WCSMTP.INI attempt timing? -> > -> > Thanks again, -> > John Kidwell -> > -> > On 8/12/06 7:53 PM, HECTOR SANTOS wrote to ALL: -> > -> > -> Folks, -> > -> -> > -> I uploaded WCGL100B.ZIP on the BBS. This is the BETA version -> > -> of the anti-spam Wildcat! Grey Listing system. I posted for -> > -> early explorers and testers. -> > -> -> > -> GREY LISTING is a very highly effective ANTI-SPAM system. It -> > -> works on the basis of REJECTING the incoming mail and using the -> > -> idea that all GOOD MAIL will retry again where it is then accepted. -> > -> Since most BAD MAIL will not try again, you will be able to see a -> > -> very high blockage rate. -> > -> -> > -> Summary of how it works: -> > -> -> > -> Mail Comes In -> > -> -> > -> SMTPFILTER-WCGREYLIST checks the greylist to see -> > -> if you want to test it. The greylist if your address -> > -> or the addresses you want to protect. -> > -> -> > -> If the mail is for an address in the greylist, the mail is -> > -> rejected with a 451 code. -> > -> -> > -> 451 tells the sender -> > -> -> > -> "Temporary Rejection. Try Again" -> > -> -> > -> If this was a real GOOD system, following all the -> > -> rules of retrying, then it will reschedule to try again -> > -> with 1 to 60 minutes, typically. When the good system -> > -> tries again with the PERIOD you set in the setup, then -> > -> the mail is accepted the second time around. -> > -> -> > -> GREYLISTING works because the BAD GUY doesn't care. He -> > -> doesn't listen and doesn't try again most of the time. -> > -> He might try again with a DIFFERENT message, but not -> > -> the same one. -> > -> -> > -> It is a controversial method. No one likes to see mail be rejected -> > -> the first time, especially for BUSINESS systems. But if you are -> > -> running a real SMTP server, then typically there do not no problems. -> > -> -> > -> So the system comes with WHITE LISTING, AUTO-CHECKING FOR WHITE -> > -> LIST, features to avoid using greylisting on your social or -> > -> business network. -> > -> -> > -> The system works so well, if I got 3 spams in the pass three weeks, -> > -> it is alot!! -> > -> -> > -> It also comes with web-base manager to help you manage it, and -> > -> also see the statistics. -> > -> -> > -> NOTE: At this time, you have to run the statistics in order to -> > -> PRUNE out old blockages of mail. For now, you should do this -> > -> once and awhile. At some point, we will have a WCEVENT idea. -> > -> -> > -> Check it out!! I've been running it non-stop for the last 4-5 months. -> > -> -> > -> All ideas are welcome especially for the web-based AVS manager. -> > -> -> > -> --- -> > -> HLS -> > -> -> > -> > -> --- Platinum Xpress/Win/WINServer v3.1 * Origin: Prison Board BBS Mesquite Tx //telnet.RDFIG.NET www. (1:124/5013) .