Re: [ietf-dkim] 8bit downgrades

2011-05-20 Thread Scott Kitterman
On Friday, May 20, 2011 01:18:39 AM Murray S. Kucherawy wrote: > > -Original Message- > > From: John Levine [mailto:jo...@iecc.com] > > Sent: Thursday, May 19, 2011 7:20 PM > > To: ietf-dkim@mipassoc.org > > Cc: Murray S. Kucherawy > > Subject: Re: [ietf-dkim] 8bit downgrades > > > > I thi

Re: [ietf-dkim] 8bit downgrades

2011-05-20 Thread John Levine
>> of what paths are likely to downcode a message and what paths aren't, >> so I would prefer not to purport to offer advice about it. > >Actually, I kinda prefer to leave it in. It seems to me "assume a >downgrade will happen unless you're certain it won't, and plan >accordingly" is good advice w

Re: [ietf-dkim] 8bit downgrades

2011-05-20 Thread Hector Santos
Murray S. Kucherawy wrote: >> Such conversion is outside the scope of DKIM; the actual >> message SHOULD be converted to 7-bit MIME by an MUA or MSA >> prior to presentation to the DKIM > > I read that (in the context of the paragraph containing it, of course) > to mean the particula

Re: [ietf-dkim] 8bit downgrades

2011-05-20 Thread J.D. Falk
On May 19, 2011, at 4:53 PM, Pete Resnick wrote: > In RFC 2119 (the document that defines MUST, SHOULD, etc.), "MUST" does not > mean "vitally important" and "SHOULD" does not mean "really really important, > but less important than MUST". "MUST" means "you have to do this or you're > not going

[ietf-dkim] DKIM Requirements Summary

2011-05-20 Thread Hector Santos
Borrowing the style in RFC1123 (Internet Mail Hosting Requirements) I did a regular expression grep for {MUST}|{SHOULD}|{MAY}|{RECOMMENDED}|{OPTIONAL}|{REQUIRED}|{SHALL} to begin to look at all the RFC2119 semantics. At first, I was going to pull out some old prolog AI code that makes asso

Re: [ietf-dkim] 8bit downgrades

2011-05-20 Thread Dave CROCKER
On 5/19/2011 7:34 PM, Michael Thomas wrote: > Since dev > managers literally looks at MUST's and SHOULD and ignore > MAY's to determine what gets implemented, this is not > quite as academic. That's a rather significant assessment. It means that all of the Internet specifications done for th