Re: hashcash addition for qmail scanner

I think that DK and DKIM would be more usefull in QSst
Both sign and verify mechanism.

bstrgds
Tomas


JHolder wrote:
> Hello all,
>
> First of all, I would like to extend thanks to Jason Haar and the
> community for such wonderful software.
>
> I have been running qmail scanner for a while, and I had the idea of using
> it to add hashcash headers to outgoing emails.  I got most of the way
> through creating the code to do this when I realized spamassassin (with
> some configuration) might already have a means of doing this.  Is this
> indeed possible?  If it is not, is anyone interested in this
> functionality?
>
> I am just going to throw the additional function I added to
> qmail-scanner-queue.pl here at the bottom of the email to invite comment,
> as I don't want to create a patch if I someone is going to tell me I don't
> need to.
>
> This function is activated by adding "hashcash" to the @scanner_array
> variable.
>
> sub hashcash {
>   my $dohashcash = "1";
>   my $addhashcashheader = "1";
>   my $hashcashcmd = "/usr/bin/hashcash -m -X ";
>
>   if ($dohashcash) {
>      &debug("Starting HASHCASH creation function");
>
>      #Don't bother if this is going to be quarantined
>      return if ($quarantine_event);
>
>      #grab all addresses that are not bound for this server
>      my ($hashaddr,$addr,$dom) = "";
>      # is this a safe way to split?  It works so far for my testcases...
>      my @addrlist = split(/,/, $recips);
>      foreach $addr (@addrlist) {
>         foreach $dom (@local_domains_array) {
>          if (!($addr =~ /$dom$/i)) {
>            $hashaddr .= $addr . " ";
>          }
>        }
>      }
>
>      # only run hashcash if we have (an) address(es) not bound for this
> server
>      if ($hashaddr && $addhashcashheader) {
>         &debug("HASHCASH addresses: $hashaddr");
>         my $hashheaders = `$hashcashcmd $hashaddr`;
>         &debug("HASHCASH headers: $hashheaders");
>      }
>
>      # insert hash headers into email...
>   }
> }
>
>
>
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