On Tue, Sep 16, 2003 at 02:34:30PM +1000, Mary Gardiner wrote: > It also does a nice job of destroying the "non-existant sender" spam > defense, since every non-existant .com and .net apparently now has a > mail server: > http://linuxchix.org/pipermail/techtalk/2003-September/016294.html
well i'm not sure about this ... although there is a dummy SMTP server at that IP, I'd say that is there because if it wasn't, other than getting an error you'd get timeouts. But futher, there is no MX record so mail should never get that far. --- dig extract --- ;; QUESTION SECTION: ;asdfasdfasdfljasdlfkjasdf.net. IN MX I would think it would be wise for the reverse lookups to be querying MX records anyway; if they generally do is another matter. -i [EMAIL PROTECTED] http://www.gelato.unsw.edu.au -- SLUG - Sydney Linux User's Group - http://slug.org.au/ More Info: http://lists.slug.org.au/listinfo/slug
