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Re: Myspace's mail headers

From: Bart Schaefer <barton.schaefer(at)gmail.com>
Date: Tue Oct 30 2007 - 18:35:03 EDT

On Oct 30, 2007 12:27 PM, Joseph Brennan <brennan@columbia.edu> wrote:

> Notice the all-lower-case field names, which do not conform to the
> RFC 2822 field names that they almost match. That is, a "from:"
> header is not the same as a "From:" header!

It's *supposed* to be the same. RFC *822 does not specify case for field names. See RFC 2234 where the ABNF format is defined, section 2.3.

if SA is not finding the from-address as a result of lower-casing "from:", then SA has a bug. If SA is *intentionally* ignoring "from:" because lower-casing is a spam-sign, then that's a somewhat different matter ... but probably still wrong. Received on Tue Oct 30 18:35:52 2007

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