Stephen Warren wrote:
>Quoting David Grimberg <[EMAIL PROTECTED]>:
>
>> I was just thinking about the number of times that I've been 
>out around
>> town
>> lately and had need of giving someone my private email address,
>> specifically
>> potential personal business partner.
>
>I have a slightly different solution to this problem.
>
>By default, email to any address on my domain gets routed 
>through TMDA. I
>own the entire domain - everything gets dumped into a single mailbox.
>Luckily, dictionary attack spams have been rare.
>
>I have a certain format of email address that will always go 
>straight to
>my mailbox and bypass TMDA's challenge. The incoming filter says:
>
>to [EMAIL PROTECTED] accept
>
>That way, whenever I want to give out a non-challenged email, 
>I just make
>up a new address with the given prefix. Each person/entity gets a
>different address, so I can always turn off an address by explicitly
>matching that to address and setting drop/bounce/confirm.
>
>If you don't own the entire domain, you could always use addresses
>something like:
>
>[EMAIL PROTECTED]
>
>where [EMAIL PROTECTED] is your normal address. Choose "prefix" 
>not to clash
>with TMDA's keyword/confirm/... "-" is your usual delimiter.

I do already do this, however, I was and am mostly interested in being able
to generate a dated address to give out, say a 6 month address, or perhaps a
domain keyed address.

Once my admin upgrades the server to allow me to use SQL lists I'm planning
on instituting some date limited lists where the pseudo keyed address will
expire a predetermined period of time after it's first use, and a self
renewing list where as long as I'm receiving emails from list members before
their list entry expires, the expiration date will keep getting extended.
And some use limited lists where an address is only good for n uses before
it expires.

Sadly those projects are on hold for the time being, and I thought the PDA
powered address generator would be handy not just for myself, but for others
as well.

>
>Basically, this is the same as TMDA keyword addresses, without the HMAC
>verification - I figure no spammer is going to bother working 
>this scheme
>out and generating a bunch of different addresses to spam. If any
>individual works it out and abuses it, I can just revoke the 
>address as I
>mentioned above.
>
>-- 
>Stephen Warren, Software Engineer, Parama Networks, San Jose, CA
>[EMAIL PROTECTED]                  http://www.wwwdotorg.org/
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