Frederik Dannemare writes:
The thing is, I use lurker to archive mails for a couriermlm list but when people post with these headers
Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit
it "breaks" the subject line (thus, breaking threading in lurker) when a subject line contains non-ASCII (e.g. Danish chars. ÃÃÃÃÃÃ).
See phenomenon on <http://sentinel.dk/lurker/list/dansk-gruppen.da.html> where a white space appears in the middle of a word in subject lines with ÃÃÃÃÃÃ (only where mail is 8bit).
Is this because people use 8bit (unencoded?) when they should in fact use Quoted-Printable instead?
No, it's because 8-bit content in E-mail headers is illegal, irrespective of what encoding is used for the MIME content.
To encode 8-bit text in E-mail headers you must use the convention described in RFC 2047, as modified by RFC 2231.
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