Yep, x 2 on the boggling. It was all the rage in 2003/2004 and I think it got wide notoriety when EL announced they were going to roll it out. I think you're right that it's now a part of the standard spam filtering.
From: Sam Cayze [mailto:[EMAIL PROTECTED] Sent: Thursday, May 22, 2008 8:34 AM To: MS-Exchange Admin Issues Subject: RE: Stu - request to remove user? I see TONS of people using challenge/response spam filtering solution on our company's mailing list. It boggles me. The biggest culprit is Earthlink accounts. I think the turn it on by default for their customers or something... ________________________________ From: Barsodi.John [mailto:[EMAIL PROTECTED] Sent: Thursday, May 22, 2008 10:23 AM To: MS-Exchange Admin Issues Subject: RE: Stu - request to remove user? Interesting. I saw others complaining about it yesterday, but I think I was deleting it with the OOF's coming in and missed. I just got one, 15 minutes after I sent an email to the list. I can't believe someone is actually using a challenge/response spam filtering solution. Lol. From: David Mazzaccaro [mailto:[EMAIL PROTECTED] Sent: Thursday, May 22, 2008 5:54 AM To: MS-Exchange Admin Issues Subject: Stu - request to remove user? Every time I post to this list, I am getting an email back from: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> Can you unsubscribe her? Or ask her to use a different address? It is rather annoying. ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~