At 02:37 PM 2/24/2002, you wrote:
>Hi everybody,
>
>I'm getting the following report from logcheck from this morning at 4
>up to now being repeated every 2:xx minutes.
>Now, please notice the IP number is the local route to get to the
>server to check mail (if I block it, 95% of my customers won't be able
>to read mail nor see their web sites).
>Seems to me like someone is trying to break this user's paswwd.
>What do you think ?
>How can I correct the "not issue MAIL/EXPN/VRFY/ETRN during connection
>to MTA" ?
>
>Feb 24 12:30:03 www sendmail[31012]: NOQUEUE: localhost [127.0.0.1] did
>not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
>Feb 24 12:32:58 www in.qpopper[31132]: (v?) POP login by
>user "adrianac" at (200.66.165.18) 200.66.165.18
>Feb 24 12:34:01 www in.qpopper[31171]: (v?) POP login by
>user "adrianac" at (200.66.165.18) 200.66.165.18
>... and  keeps going
>
>Thanks in advance for your help
>
>Jorge Ceballos
>--

The user adrianac is checking is email every three minutes.  You can tell 
logcheck to not notify fo this user.  Easier to do if he always uses the 
same ip


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