On Thu, 24 Apr 2008, SM wrote:
It's trivial for malware engines to retry. There isn't any queueing, as a standard MTA does, being done. This has been happening since some time. Greylisting only fails if you rely on it to stop spam.
Greylisting, like any other antispam technique, blocks some portion of the flood. There is no one magic silver bullet.
It is still a useful tool. Greylisting only fails if you rely on it *alone* to stop spam.
-- John Hardin KA7OHZ http://www.impsec.org/~jhardin/ [EMAIL PROTECTED] FALaholic #11174 pgpk -a [EMAIL PROTECTED] key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C AF76 D822 E6E6 B873 2E79 ----------------------------------------------------------------------- An operating system design that requires a system reboot in order to install a document viewing utility does not earn my respect. ----------------------------------------------------------------------- 14 days until the 63rd anniversary of VE day
