You do realize that on the site you just linked, they have a big link on the left named "implementations"? You could have answered your own question. ;) ----- Original Message ----- From: "Kev" <savage-garden@xxxxxxxxxxxxxx> To: "Jens Knoell" <jens@xxxxxxxxxxxx> Cc: <linux-admin@xxxxxxxxxxxxxxx> Sent: Monday, July 19, 2004 1:53 PM Subject: Re[2]: Linux Help > wow, thanks for the comple info.... > > >--> >6. Gray Listing (email) > >--> Errr... what? > > Greylisting (www.greylisting.org) is a new technique to slow the spread of spam, The > technique simply delays the mail 300 seconds and forced the original > mail server to attempt redelivery. Spammers will generally never > attempt redelivery so their mail messages will not get through. Once > the greylisting process is complete future email messages from the > usernames/ip will immediately be delivered to the destination. - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html