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Standard for encoded headers (Offtopic)

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	Standard for encoded headers (Offtopic) by Jorge Bastos :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Some parts of this message have been removed. Learn more about Nabble's security policy. Hi there, Paul/others, Can you point me to the IETF link where it says that the emails headers MUST be encoded and never in PLAIN ASCII? Thanks! Jorge, _______________________________________________ DBmail mailing list DBmail@... http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
	Re: Standard for encoded headers (Offtopic) by Shane Kerr-5 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Jorge, On Tue, 2009-09-29 at 16:22 +0100, Jorge Bastos wrote: > Can you point me to the IETF link where it says that the emails > headers MUST be encoded and never in PLAIN ASCII? Must they? I have been getting familiar with the IMAP RFC lately, and it says this: Note that headers (part specifiers HEADER or MIME, or the header portion of a MESSAGE/RFC822 part), MUST be 7-bit; 8-bit characters are not permitted in headers. http://www.faqs.org/rfcs/rfc3501.html -- Shane _______________________________________________ DBmail mailing list DBmail@... http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
	Re: Standard for encoded headers (Offtopic) by Michael Monnerie-5 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message On Dienstag 29 September 2009 Shane Kerr wrote: > I have been getting familiar with the IMAP RFC lately, and it says > this: > > Note that headers (part specifiers HEADER or MIME, or the > header portion of a MESSAGE/RFC822 part), MUST be 7-bit; > 8-bit characters are not permitted in headers. > > http://www.faqs.org/rfcs/rfc3501.html A bit off-topic, but: Nice, but there are programs with bugs that generate 8bit headers, namely that Outlook extension that gives the users fancy backgrounds and funny pics to add... what's it's name? Erhmmm... Incredimail. That stupid program, for german setups, creates a time header like this: 10:37 Mitteleuropäische Sommerzeit meaning mid-european summer time - see the umlaut-a (ä) there. mfg zmi -- // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0660 / 415 65 31 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc \| gpg --import" // Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4 // Keyserver: wwwkeys.eu.pgp.net Key-ID: 1C1209B4 _______________________________________________ DBmail mailing list DBmail@... http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
	Re: Standard for encoded headers (Offtopic) by Jorge Bastos :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message > Jorge, > > On Tue, 2009-09-29 at 16:22 +0100, Jorge Bastos wrote: > > > Can you point me to the IETF link where it says that the emails > > headers MUST be encoded and never in PLAIN ASCII? > > Must they? > > I have been getting familiar with the IMAP RFC lately, and it says > this: > > Note that headers (part specifiers HEADER or MIME, or the > header portion of a MESSAGE/RFC822 part), MUST be 7-bit; 8-bit > characters are not permitted in headers. > > http://www.faqs.org/rfcs/rfc3501.html For full compability I believe so, I may be wrong, but I do believe so. Thanks for the link :) Jorge, _______________________________________________ DBmail mailing list DBmail@... http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
	Re: Standard for encoded headers (Offtopic) by Jorge Bastos :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message > A bit off-topic, but: > Nice, but there are programs with bugs that generate 8bit headers, > namely that Outlook extension that gives the users fancy backgrounds > and > funny pics to add... what's it's name? Erhmmm... Incredimail. > That stupid program, for german setups, creates a time header like > this: > 10:37 Mitteleuropäische Sommerzeit > meaning mid-european summer time - see the umlaut-a (ä) there. I do HATE INCREDIMAIL :) I believe MSO2007 for example, works OK with 8-bit headers, but only sometimes. Anyway I think it's better to use the fields encoded. Jorge, _______________________________________________ DBmail mailing list DBmail@... http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
	Re: Standard for encoded headers (Offtopic) by Paul J Stevens :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Shane Kerr wrote: > Jorge, > > On Tue, 2009-09-29 at 16:22 +0100, Jorge Bastos wrote: > >> Can you point me to the IETF link where it says that the emails >> headers MUST be encoded and never in PLAIN ASCII? Plain ASCII is always OK! Only non-ascii characters should be encoded. > > Must they? > > I have been getting familiar with the IMAP RFC lately, and it says this: > > Note that headers (part specifiers HEADER or MIME, or the > header portion of a MESSAGE/RFC822 part), MUST be 7-bit; 8-bit > characters are not permitted in headers. > > http://www.faqs.org/rfcs/rfc3501.html That rfc snippet doesn't say anything about message structure, just about IMAP responses. The reference for message structure is rfc5322 http://tools.ietf.org/html/rfc5322 while the latest RFC dealing with non-ascii text in headers is http://tools.ietf.org/html/rfc2047 Even though formally 8bit headers are not allowed, it was decided long ago to liberally accept such headers. Dbmail doesn't care one way or the other. However, FETCH responses containing part specifiers HEADER or MIME must by 7-bit. I'm pretty sure dbmail is not compliant here. I havent verified, but reading the code (which I wrote three years ago or so) it looks like we're returning HEADER and MIME parts as-is. -- ________________________________________________________________ Paul Stevens paul at nfg.nl NET FACILITIES GROUP GPG/PGP: 1024D/11F8CD31 The Netherlands________________________________http://www.nfg.nl _______________________________________________ DBmail mailing list DBmail@... http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
	Re: Standard for encoded headers (Offtopic) by Jorge Bastos :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Your explanation is perfect Paul! This was for something else, to explain somebody with physical evidences (the links), that the person was wrong! Many thanks, Jorge, > -----Original Message----- > From: dbmail-bounces@... [mailto:dbmail-bounces@...] On > Behalf Of Paul J Stevens > Sent: quarta-feira, 30 de Setembro de 2009 8:28 > To: DBMail mailinglist > Subject: Re: [Dbmail] Standard for encoded headers (Offtopic) > > Shane Kerr wrote: > > Jorge, > > > > On Tue, 2009-09-29 at 16:22 +0100, Jorge Bastos wrote: > > > >> Can you point me to the IETF link where it says that the emails > >> headers MUST be encoded and never in PLAIN ASCII? > > Plain ASCII is always OK! Only non-ascii characters should be encoded. > > > > > Must they? > > > > I have been getting familiar with the IMAP RFC lately, and it says > this: > > > > Note that headers (part specifiers HEADER or MIME, or the > > header portion of a MESSAGE/RFC822 part), MUST be 7-bit; 8- > bit > > characters are not permitted in headers. > > > > http://www.faqs.org/rfcs/rfc3501.html > > That rfc snippet doesn't say anything about message structure, just > about IMAP responses. The reference for message structure is rfc5322 > > http://tools.ietf.org/html/rfc5322 > > while the latest RFC dealing with non-ascii text in headers is > > http://tools.ietf.org/html/rfc2047 > > Even though formally 8bit headers are not allowed, it was decided long > ago to liberally accept such headers. Dbmail doesn't care one way or > the > other. However, FETCH responses containing part specifiers HEADER or > MIME must by 7-bit. > > I'm pretty sure dbmail is not compliant here. I havent verified, but > reading the code (which I wrote three years ago or so) it looks like > we're returning HEADER and MIME parts as-is. > > -- > ________________________________________________________________ > Paul Stevens paul at nfg.nl > NET FACILITIES GROUP GPG/PGP: 1024D/11F8CD31 > The Netherlands________________________________http://www.nfg.nl > _______________________________________________ > DBmail mailing list > DBmail@... > http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail _______________________________________________ DBmail mailing list DBmail@... http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail