On Wed, Jun 18, 2003 at 03:25:01PM +1000, David wrote: > > I'm concerned that I'm being attacked in some way that I don't understand. > I've checked my logs and found over 400 "unknown user" messages for > <[EMAIL PROTECTED]>. Then I got the following MAILER-DAEMON email > telling me the address is undeliverable. > > I can't figure out why I should suddenly get this one apparently > inappropriate MAILER-DAEMON email. > > I am a legitimate relay for mydomain.com.au but user "rjnr" doesn't exist > and never did. > > Their are also 2000 other "unknown user" messages for this particular > domain in this week's log, so it looks like some spammer has targetted > this domain. > > Am I worrying about nothing? >
Probably just a brute force spam attack. (dictionary or try every letter combination) -- SLUG - Sydney Linux User's Group - http://slug.org.au/ More Info: http://lists.slug.org.au/listinfo/slug
