Greylist effect

By ArnY on Saturday 15 September 2007, 19:45 - spam - Permalink

We decided to active the greylisting antispam solution for all our mailboxes at work.. here how it shows on our graphs:

1. On Monday 17 September 2007, 14:17 by HM: UNINETT (NREN for Norway) have been graylisting for years now, and it still stops some 90% of mail. When greylisting was first publicized detractors said spammers would quickly adapt... but as the hard numbers show, few of them have.
2. On Tuesday 25 September 2007, 11:22 by Pwwwet: Yeah ! I think to set up greylisting on my mail server. What is your graph tool ?
3. On Saturday 26 January 2008, 11:47 by ArnY: It's a home made script based on mailgraph

Trackback URL : http://blog.devnull.fr/trackback/155930

Of Spam & Men