Try blocking the IPs at your border router. Else, purchase a Blocker that prevents Dictionary attacks.
Jason ----- Original Message ----- From: "for imail listserv " <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, June 13, 2002 8:14 AM Subject: [IMail Forum] bruteforce attack > We are under a bruteforce dictionary attack. Has been going on > for the last 24 hours. > > They are pretty good since they change ip address for every > connection and only try 25 email addresses. > > We are not using SMTP Authentication yet but it is the plans for > the next 2 weeks or so. > > Any idea on how to stop this. > > H. > > ________________________________________________________________ > Sent via the WebMail system at i360.net > > > > > > Please visit http://www.ipswitch.com/support/mailing-lists.html > to be removed from this list. > > An Archive of this list is available at: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > > Please visit the Knowledge Base for answers to frequently asked > questions: http://www.ipswitch.com/support/IMail/ > Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit the Knowledge Base for answers to frequently asked questions: http://www.ipswitch.com/support/IMail/
