[hashcash] Re: Hashcash and ColdFusion
- From: Adam Back <adam@xxxxxxxxxxxxxxx>
- To: hashcash@xxxxxxxxxxxxx
- Date: Tue, 19 Oct 2004 06:10:17 -0400
Thanks for that. I put a copy of this info up here:
http://www.hashcash.org/mail/web/coldfusion/
Adam
On Thu, Oct 14, 2004 at 09:11:09AM -0400, Anders Green wrote:
> For anyone that wants to send out mail from ColdFusion
> with hashcash, it's not hard. Here's some example code:
>
> Didn't take much to get this working. There is
> a command line executable at hashcash.org that
> you can download. So, (after removing buncha
> dynamic stuff for clarity here) it looks like this:
>
>
> <CFTRY>
> <CFEXECUTE
> name="c:\hashcash.exe"
> arguments="-mb22 user@xxxxxxxxx"
> variable="hashCashResult"
> timeout="5">
> </CFEXECUTE>
>
> <CFCATCH type="Any">
> <CFSET hashCashResult="">
> </CFCATCH>
> </CFTRY>
>
>
> <CFMAIL
> TO="user@xxxxxxxxx"
> FROM="me@xxxxxxxxxx"
> SUBJECT="Password Reminder" >
> Hello user,
> The password for your account is: some_password
>
> Cheers,
> The Database
> <CFIF Len(hashCashResult) NEQ 0>
> <cfmailparam
> name = "X-HashCash"
> value = "#hashCashResult#" >
> </CFIF>
> </CFMAIL>
>
> Here is how much SpamAssasin adjusts the spam score based
> on the number of bits used (22 in the above example)
> Hashcash 20 bits -0.500
> Hashcash 21 bits -0.700
> Hashcash 22 bits -1.000
> Hashcash 23 bits -2.000
> Hashcash 24 bits -3.000
> Hashcash 25 bits -4.000
> Hashcash >25 bits -5.000
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