Jorge,

I know what you are asking, but I have never looked into that.  With regard
to brute force defense, can the email server be configured to lock the
accounts after x amount of failed attempts?  If they have all your
usernames, that could be an issue, but it may stop them from getting on the
server in the short term until you find a better solution.

Mark LeBlanc 
Technology Director 
Tri-County RVTHS 
147 Pond Street 
Franklin, MA 02038 
508-528-5400 x219 
[EMAIL PROTECTED] 
________________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jorge Expressmail
Sent: Wednesday, October 01, 2008 12:37 PM
To: [email protected]
Subject: [IMail Forum] WEBMAIL CAPCHA

Hi all,
Is there a way that I can implement a captcha in our webmail (CLIENT).
We are having problems with spammers, they are making brute force in the
webmail login page to get passwords, so they can use our server for relay.
Please advise
-Jorge



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