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- Newsgroups: comp.sys.sgi
- Path: sparky!uunet!mcsun!news.funet.fi!network.jyu.fi!news.jyu.fi!suhonen
- From: suhonen@jalka.jyu.fi (Timo Suhonen)
- Subject: Re: 4.0.5 and mail
- In-Reply-To: vjs@rhyolite.wpd.sgi.com's message of 20 Aug 92 17: 35:47 GMT
- Message-ID: <SUHONEN.92Aug21091713@jalka.jyu.fi>
- Sender: news@jyu.fi (News articles)
- Nntp-Posting-Host: jalka.jyu.fi
- Organization: University of Jyvaskyla, Department of Biology of Physical
- Activity
- References: <SUHONEN.92Aug20120708@jalka.jyu.fi> <oqjpq9c@rhyolite.wpd.sgi.com>
- Date: Fri, 21 Aug 1992 07:17:13 GMT
- Lines: 133
-
- [I hope you can still read my "English", although the level of discussion
- is rapidly going over my skills]
-
- [I know this is good habit staring a discussion just before leaving the
- news for two weeks, but I couldn't resist. So if you want to write,
- please mail me 'cause news articles will be expired when I come back
- to work]
-
- In my previous post I should have written, that I only ment mail body, not
- the header. The header should be 7-bit.
-
- vjs@rhyolite.wpd.sgi.com (Vernon Schryver) writes:
-
- The facts of the matter are these, some important and some not:
-
- 1. RFC-822 requires that the 8th bit be cleared on all mail and headers.
- It is not a matter of "allowed," but of "required."
-
- From discussions with Roberts@sgi I have now learned that. I had
- misunderstood said RFC earlier.
-
- 2. standard BSD sendmail has cleared the 8th bit for years. This
- means there are 10's of thousands of 8-bit clearing mail hosts
- and relays directly connected to the Internet.
-
- Oh boy! with this attitude we would still be hanging in the woods B-)
- As an advanced computer company SGI should look forward, not backward.
- Of cause SGI's mail should cope with existing systems, but there should
- be a way to go aroud it. Like an extra command line switch for sendmail
- or something alike.
-
- 3. it is easy to build sendmail so that it does not clear the 8th
- bit. Such a sendmail with Mail User Agents that generate
- 8-bit-unclean text and headers makes the system non-comformant
- with current standards.
-
- But between such non-comformant systems 8-bit mails are OK. More and more
- sites handles 8-bit mails correctly (i.e. don't clear 8th bit).
-
- 4. such a non-conformant sendmail cannot reliably deliver 8-bit email.
-
- I don't think occasional problems are big problems. It can be a problem
- in in other languages than Finnish (I really don't know). I receive
- daily 8-bit mails with 8th bit cleared. And text is still readable;
- not too good but readable.
-
- It's true I have not tested the 8 bit mail to (and from) California
- well, just two or three times (and it happened to work every time).
-
- Occasional broken mails can be send again. From text mails you clearly
- see if it's broken or not. I'm not sending 8 bit data or binaries
- with 8 bit mail, just text.
-
- (b) If you use 8-bit characters in a From: or To: line and your
- message happens to pass through an old mail relay (as in #a
- above), then your addresses will suddenly become nonsense.
-
- As I wrote, headers should be kept 7 bit as long as a 8 bit extension is
- widely accepted.
-
- (d) there is no way for the sending and receiving machines
- to know they are using the same 8-bit character set. I
- understand there is more than one such character set, and that
- the character set used by the "just send 8bit" crowd is not
- appropriate for Asia, no matter how fine it is for Europe and
- the Americas. In other words, "just send 8bits" works
- for small parts of the world, but is not an international
- solution.
-
- Actually there is a way to know the character set: You can add extra
- lines to headers:
-
- X-CharSet: ISO_8859-1
- X-Char-Esc: 29
-
- Lines like above are added to every send mail by IDA-sendmail. So the
- character set is no problem. And with this esc definiton, the mailer
- can strip all escape codes from mails.
-
- (e) Sgi.com relays a substantial amount of mail. The sendmail
- binary on sgi.com bounces any message with bytes in headers
- that look like control characters, regardless of the 8th bit.
-
- Header lines should be kept 7 bit.
-
- Personally, I don't get excited about conforming or not to standards.
- All that matters to me is whether things work. The simple fact is
- that "just send 8bits" does not and cannot work. It does not ensure
- that what the author wrote arrives at the reader's screen. On the
- other hand, there are existing standards and implementations to do
- work. In the absense of the dishonesty and parochialism, the choice
- would be clear and not controversial.
-
- I think the biggest problem here is that computers and networks are
- Born in the USA (sorry Bruce) and you don't need 8 bit characters there.
- I want 8 bit mails to daily mails inside Finland to the sites I know
- can accept 8 bit mails. To USA or any other country I'll (and everyone
- I know) send 7 bit mail. As far as I know English language do not need
- 8 bit characters and English is the defacto language in international
- mails and USENET newsgroups (BTW: news are delivered 8 bit in Finland B-).
-
- To write it shortly: If I write toi my friend to maths department I'd
- like to use real characters, not {}|'s for scandinavian vovels.
-
- I think that Silicon Graphics should make available a broken sendmail
- that passes 8-bits, as well as a MIME system. If I'm right, eventaully
- users will figure out that "just send 8bits" is a fraud. However,
- neither of those can be made available immediately, even if I convince
- everyone necessary. They must wait for a release to ride.
-
- I really agree that SGI should make 8 bit sendmail available!!!
-
- The people in the Internet community who are telling people to "just
- send 8bits" are knowingly ignoring the facts above. They are knowingly
- causing people to think things they know are false. They are
- dishonest, and should be dealt with as such.
-
- I'm not ignoring facts you wrote about (thanks). And I'm not telling
- people to send 8 bit mails to anyone. (I have taught people how to
- use mail and news systems in our HP (where the 8 bit mail works).
- I have taught them that they should write first 7 bit and if it turns
- out that 8 bit works then use what ever they want to use). BTW: I'm
- not writing 8 bit mails to international news groups although my news
- connection accepts 8 bit news articles. Actually I'm not writing 8 bit
- news articles to finnish news groups, because everyone can't get them
- 8 bit from their news servers.
-
- I think users are (or can be taught to be) wise enough not to use 8 bit
- where it does not work. You should trust users.
- --
- Timo "I am logged in, therefore I am" Suhonen
- "There is no need for the President of the United States to be smart" -HST
- Opinions(?) are mine (if not stolen), NOT those of Univ. of Jyvaskyla.
-