Hi Jon,
I'll give that a try.  I was astounded just now that when I went to our site 
and tried to sign up for the newsletter I tried to just keep clicking on the 
SUBMIT button and low-and-behold I see my email address in the database 6 times 
in a row.  I thought that was a submit button was pushed that was it!  Guess 
not.

I'll try this cflock approach.

Jerry

>I would suggest wrapping from the before the beginning of the e-mail  
>check query to the end of the insert query.   You simply want to lock  
>that block from being executed by another user.  Then your <cfmail>  
>transaction, which may take a bit longer, isn't under lock if you  
>have concurrent users.
>
><cftransaction> allows you to rollback in the event of  a failure you  
>designate.   It doesn't, however lock anything.
>
>Jon
>
>On Sep 27, 2006, at 12:56 PM, Gerald Weir wrote:
>
>>

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