I agree with you Scott, C/R is the most stupid invention we've ever seen at the opposite of what e-mail is!
Laurent. ----- Original Message ----- From: "R. Scott Perry" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, October 31, 2004 1:29 PM Subject: RE: [IMail Forum] A Quick Note from the Ipswitch Executive Team > > >1. almost who is using Challenge/Response LOVED the service. They have > >the option, on a user-by-user basis, to turn it off. > > > >IMHO, it is a very GOOD thing and is overwhelmingly liked by the > >administrations of the three school systems I talked to. > > Yes, many of the people who *use* it like it. It's the rest of the world > that hates it. See the top 10 reasons why challenge/response (C/R) is bad: > > [1] You end up being a spammer (the majority of spam sent to you will > result in confirmation requests being sent to innocent victims) > [2] Spammers now send pretend confirmation requests, presumably to make > people less likely to respond to C/R requests > [3] Many people respond to C/R requests that they never initiated > (sometimes intentionally, sometimes not). Some people who are fed up with > bogus C/R requests respond to all of 'em, knowing that the spam will start > getting through to people hiding behind C/R. > [4] C/R companies have been known to send out spam and harvest addresses of > people sending to their customers, and apparently sell those addresses to > spammers > [5] The C/R system is patented, so most anti-spam programs using C/R have > legal liabilities waiting to be ironed out. The C/R program you buy today > may go under tomorrow. > [6] Confirmations sent to mailing lists won't work > [7] Confirmations sent to others using C/R won't work. If everybody had > C/R, nobody could send E-mail to anybody! > [8] People like me that offer a free service (in my case, helping people > with DNS) end up losing money (by spending time investigating and > responding to C/R systems, dealing with spam received as a result, etc.) > and sometimes get fed up with C/R systems and eventually stop offering free > advice (never knowing how many people won't get it), harming everybody. > [9] Legitimate E-mail from automated services won't be seen (such as when > ordering products online) > [10] Due to #1-#9, most C/R challenges are treated as spam -- if the > challenge never gets through, the response will never get through. > > In other words, you're doing something nice for your customers, but at the > cost of annoying the rest of the world. > > -Scott > --- > Declude JunkMail: The advanced anti-spam solution for IMail mailservers > since 2000. > Declude Virus: Ultra reliable virus detection and the leader in mailserver > vulnerability detection. > Find out what you've been missing: Ask for a free 30-day evaluation. > > --- > [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
