[Mailman-Users] cause of bounces
mark at msapiro.net
Tue Oct 17 19:16:00 EDT 2017
On 10/17/2017 03:28 PM, Dimitri Maziuk wrote:
> On 10/17/2017 04:40 PM, Grant Taylor via Mailman-Users wrote:
>> On 10/17/2017 03:22 PM, Mark Sapiro wrote:
>>> In other words, an invalid DKIM signature SHOULD be treated no
>>> differently from no signature.
>> Fair enough.
> Why? If this message doesn't match its signature, then it has been
> altered in transit for sure. If were not signed, like when I post from
> home (because I can't be arsed to set gpg up on winderz), then there's
> no telling if it was or wasn't. One of those things is quite a bit not
> like the other.
Why? Because that's what the DKIM standard, RFC 4871, says.
You have a point, but to be safe you should assume that unsigned mail
has been altered and if it's important, insist on some kind of
Mark Sapiro <mark at msapiro.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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