On Wed, 11 Feb 2009, Ned Slider wrote:
If every server used Postfix in it's default configuration then backscatter wouldn't exist.
Question: if a relay MTA accepts a forged-sender message for another domain, attempts to deliver it, gets an SMTP 5xx hardfail for unknown recipient, and attempts to deliver a DSN to the (forged) sender, do you consider that backscatter?
How would postfix's default configuration address that scenario? -- John Hardin KA7OHZ http://www.impsec.org/~jhardin/ jhar...@impsec.org FALaholic #11174 pgpk -a jhar...@impsec.org key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C AF76 D822 E6E6 B873 2E79 ----------------------------------------------------------------------- Usually Microsoft doesn't develop products, we buy products. -- Arno Edelmann, Microsoft product manager ----------------------------------------------------------------------- Tomorrow: Abraham Lincoln's and Charles Darwin's 200th Birthdays
