[Mailman-Users] Probable bug in Bouncers/DSN.py

[Jim Popovitch]

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Hello!

Given a bounce msg with a subpart of:


  message/delivery-status:
     Final-Recipient: rfc822;user at domain.tld
     Action: failed
     Status: 5.1.10
     Diagnostic-Code: smtp;550 5.1.10 RESOLVER.ADR.RecipientNotFound; 


and the code beginning at Bouncers/DSN.py:64

            params = []
            foundp = False
            for header
in ('original-recipient', 'final-recipient'):
                for k, v
in msgblock.get_params([], header):
                    if k.lower() ==
'rfc822':
                        foundp = True
                    else:
                        params.append(k)
                if foundp:
     
               # Note that params should already be unquoted.
          
          addrs.extend(params)
                    break


It appears that "params" is never populated and thus the bounce score
is never incremented for the user.   

I was intending to release a patch for this but my dev system is
showing an odd python issue where once "k.lower()" is evaluated the
variable v is no longer available. O.o

- -Jim 
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