[ietf-dkim] DKIM signature can mean it's safe to generate bounce?
dhc at dcrocker.net
Sun Jul 8 11:17:07 PDT 2007
John Levine wrote:
>>> An interesting side effect is that it would also suppress bounce messages
>>> from mailing lists, even if they resigned. I'm not sure if this is a
>>> feature or a bug.
>> So, yeah, if the SSP associated with the MailFrom says
>> "rfc2821.MailFrom" must match a DKIM signature, or somesuch, then a
>> mailing list that inserts its own MailFrom, without adding its own
>> signature, could break bounces.
> I wouldn't worry too much about that scenario, since if anyone sets that
> flag, everyone will be throwing away his mailing list mail anyway.
I think this depends upon the definition of 'this flag' and what range of
assertions is permits. If it is a one-bit flag, then you are no-doubt correct.
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