I am *very* curious on how those spammers do their job. I mean - how do they detect that a server is an open relay ? - once they have detected, what they used to relay their msgs? Command line? tools?
I would like to test my servers against those techniques/tools if possible. Please advise. -- Roger Quoting Claudio Jeker <[EMAIL PROTECTED]>: > On Wed, Aug 03, 2005 at 08:41:49AM +0800, Roger Thomas wrote: > > OK thanks. When I did a qmailctl queue, I noticed that there are 3 queues > without sender address like so: > > > > [EMAIL PROTECTED] qmail]# qmailctl queue > > messages in queue: 7 > > messages in queue but not yet preprocessed: 0 > > 2 Aug 2005 08:52:29 GMT #1724517 3933 <> > > remote [EMAIL PROTECTED] > > 2 Aug 2005 09:21:42 GMT #1724563 17637 <> > > remote [EMAIL PROTECTED] > > 2 Aug 2005 09:25:24 GMT #1724609 1925 <> > > remote [EMAIL PROTECTED] > > ... > > ... > > ... > > [EMAIL PROTECTED] qmail]# > > > > Do I need to worry about that. How does it happen anyway? And the remedy ? > > > > Looks like bounce messages to SPAM. That's a normal annoyance and there is > no cure against them. > > -- > :wq Claudio > --------------------------------------------------- Sign Up for free Email at http://ureg.home.net.my/ ---------------------------------------------------
