> What others have tried is some firewall products BlackIce from ISS stopped the dictionary attacks for us. Our email volume is small enough that running a software firewall wouldn't bog the server.
> I was analizing our Imail logs to track down a separate problem, and I ran > across the log snippet below. Based on previous threads on this issue, it > appears as though this person is running through common email names to > verify users on the mail server. There are literally hundreds of examples > per day in our logs We had the same problem hundreds of attacks each day from from every country you could name. As quick as I could add them to the control list it would come from a different ip in a different country. BlackIce blocks them and reports them as SMTP attacks. Don't even see them in the logs. Good luck! To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
