[hashcash] Re: Exchange mucking with the headers

  • From: Aaron Toponce <aaron.toponce@xxxxxxxxx>
  • To: hashcash@xxxxxxxxxxxxx
  • Date: Wed, 31 Aug 2011 08:55:19 -0600

On Wed, Aug 31, 2011 at 08:47:20AM -0600, Aaron Toponce wrote:
> I've come to the knowledge that Exchange is mucking with the mail headers,
> stripping out any duplicate fields. This is troublesome for me, as sending
> a mail to multiple recipients, means minting many Hashcash tokens, and
> placing each token in the header with "X-Hashcash". There may be more than
> one present. However, Exchange changes "X-Hashcash" to "x-hashcash", and
> removes any dupe "x-hashcash" fields.
>
> I could stamp each mail upon delivery, rather than mail creation, but that
> would meach changing the way I handle SMTP with Mutt, and that's not
> something I'm really interested in persuing. AFAIK, there is no "standard"
> against duplicate header fields, so my multiple "X-Hashcash" tokens should
> be just fine.

I guess thinking about this a little further, I could put every token under
one "X-Hashcash" field, separated by semicolons, or something similar.
Thoughts on this approach?

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