Eudora question - "extra" file w/sent attachment

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Calvin - 31 Aug 2006 23:06 GMT

I have a question for the group.

When I send an email from Eudora with an attachment, it makes it to
the sender, but if the receiver is using a PC, there is a secondary
file that also arrives. usually only a few kb in size. this confuses
many pc users. any thoughts on how to eliminate this "extra" file?

Thx,
Craig

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Sander Tekelenburg - 01 Sep 2006 00:10 GMT

> I have a question for the group.

Don't multipost. (See <http://en.wikipedia.org/wiki/Crossposting> and
<http://en.wikipedia.org/wiki/Wikipedia:Multiposting>)

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Sander Tekelenburg, <http://www.euronet.nl/~tekelenb/>

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PC user: "SEE! Not even the virus writers support Macs!"

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Calvin - 01 Sep 2006 04:33 GMT

> > I have a question for the group.
>
> Don't multipost. (See <http://en.wikipedia.org/wiki/Crossposting> and
> <http://en.wikipedia.org/wiki/Wikipedia:Multiposting>)

Thanks for the info on cross posting.
I was under the impression that cross-posting was frowned upon.
I guess I was wrong.

Do you have an answer to the question I posed?

Thanks.
C

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Sander Tekelenburg - 04 Sep 2006 00:51 GMT

[...]

> > Don't multipost. (See <http://en.wikipedia.org/wiki/Crossposting> and
> > <http://en.wikipedia.org/wiki/Wikipedia:Multiposting>)
>
> Thanks for the info on cross posting.
> I was under the impression that cross-posting was frowned upon.

Crossposting is not frowned upon when it is used in situations that
warrant it (almost none :)), and a proper Followup-To header has been
set. *Multi*posting is frowned upon always.

A crosspost is a single message to several groups (where the message
itself contains the information to which groups it was posted), whereas
"multi-post" refers to sending the same message again (and again) to
different newsgroups, meaning people cannot see that the message is also
posted to other groups. It's frowned upon because it fragments the
resulting discussion, with the only one 'benefitting' the original
poster, not the community.

[...]

> Do you have an answer to the question I posed?

Yes, but others gave it already ;)

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Sander Tekelenburg, <http://www.euronet.nl/~tekelenb/>

Mac user: "Macs only have 40 viruses, tops!"
PC user: "SEE! Not even the virus writers support Macs!"

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R. Millstein - 01 Sep 2006 04:56 GMT

> When I send an email from Eudora with an attachment, it makes it to
> the sender, but if the receiver is using a PC, there is a secondary
> file that also arrives. usually only a few kb in size. this confuses
> many pc users. any thoughts on how to eliminate this "extra" file?

What file types does this happen with? I have found, with PDFs in
particular, that if I set the type to "PDF " (with a space after the
'F') and the creator to "CARO" (the abbreviation for Adobe Reader), the
extra file does not get sent. I used to know why this works; now I only
remember that it does.

I don't have any problem when I send Word files, JPEG files, or text
files, so long as I remember to use the suffix that Windows people need
(.doc, .jpg, and .txt, respectively).

I use Apple Double (MIME) encoding.

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Kathy Morgan - 01 Sep 2006 06:15 GMT

That probably is the Mac resource fork for the attachment. Under
Special | Settings | Attachments, uncheck the block for "Always include
Macintosh information." While you're at it, you probably should check
the radio button for "Appledouble ("MIME")" for greatest compatibility
with PC's.

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similar forum, NNTP "newsreaders" are a better way to access the
content. <http://www.aptalaska.net/~kmorgan/how-it-works.html>
Links to NNTP newsreaders at <http://www.newsreaders.com/>

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Calvin - 02 Sep 2006 00:05 GMT

> > When I send an email from Eudora with an attachment, it makes it to
> > the sender, but if the receiver is using a PC, there is a secondary
[quoted text clipped - 6 lines]
> the radio button for "Appledouble ("MIME")" for greatest compatibility
> with PC's.

Thx for the info.
I checked my settings, the "Always include" box was already unchecked.
And I have Apple Double set as default method.

I'll see if having the suffix on the file changes anything.

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Alan Charlesworth - 02 Sep 2006 14:55 GMT

> > > When I send an email from Eudora with an attachment, it makes it to
> > > the sender, but if the receiver is using a PC, there is a secondary
[quoted text clipped - 12 lines]
>
> I'll see if having the suffix on the file changes anything.

Eudora has a built in list of file type for which it should not send the
extra file. These are specified in two resource items (for in and out)
that can be edited with a resourfce editor.

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R. Millstein - 03 Sep 2006 17:11 GMT

[apologies if this is sent twice -- my first posting attempt seems to
have vanished]

In article
<alan.charlesworth-F735DE.06554502092006@comcast.dca.giganews.com>,

> Eudora has a built in list of file type for which it should not send the
> extra file. These are specified in two resource items (for in and out)
> that can be edited with a resourfce editor.

Aha! That may explain why I find that I need to change the type and
creator of PDF files in order not to send the extra file -- perhaps
Eudora is set by default not to send an extra file with PDFs, but it
doesn't recognize them as PDFs unless the type is set to "PDF " and the
creator is set to "CARO".

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Bill Cole - 03 Sep 2006 04:02 GMT

It shouldn't.

AppleDouble is what causes that second file. Mac files have two logical
data streams associated with them plus a fairly large set of metadata
(name, create/change/backup times, file type and creator, finder
comments, etc) in contrast to the rather simple structure of a file in
Windows in most cases: a stream of data associated with a name, 3 bits
of permission flags, and a change time. AppleDouble is a way of sending
all of a Mac file as two parts: one with the data fork of the file and
the other with the resource fork and metadata. Normally a Windows
machine will only have use for the data fork, and most Windows clients
(e.g. the crapware from Microsoft) don't understand the AppleDouble
format any better than to see it as two distinct files. The main file
containing the data fork is all a Windows machine can usually use
anyway.

You can totally eliminate the appearance of the Mac-specific second part
by sending files using Eudora's "uuencode data fork" encoding method.
That means that when sending files to another Mac user, it won't have
any Mac-specific details like custom icons, Finder comments, type and
creator info, and so on.

The best fix would be for the receiving mail client to get smart about
what is in an AppleDouble structure, and to actually use the information
in that secondary part to whatever extent is possible. Windows has some
support for richer metadata than most Windows mail clients support in
mail.

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Calvin - 03 Sep 2006 19:56 GMT

> > > > When I send an email from Eudora with an attachment, it makes it to
> > > > the sender, but if the receiver is using a PC, there is a secondary
[quoted text clipped - 40 lines]
> support for richer metadata than most Windows mail clients support in
> mail.

This problem occurs with Lotus Notes, Outlook, and with Gmail. There
may be others. Thx for the info.
Does the Apple mail application have this problem? or is it Eudora
specific?

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Bill Cole - 03 Sep 2006 23:43 GMT

> > > > > When I send an email from Eudora with an attachment, it makes it to
> > > > > the sender, but if the receiver is using a PC, there is a
[quoted text clipped - 47 lines]
> Does the Apple mail application have this problem? or is it Eudora
> specific?

It is not a problem with Eudora, it is a problem with the receiving
client software and arguably between keyboard and chair on the receiving
end. AppleDouble encoding is common to all Mac mail clients and is a
standard Internet attachment encoding scheme. Handling AppleDouble mail
in a way that confuses users is a problem with the receiving client,
and being confused by it is a user problem. The only "problem" on the
sending side is global to MacOS: the system maintains and uses more data
about files than is maintained and used on other systems. Your options
with Eudora are to either not send that data (i.e. use the "uuencode
data fork" option) or to have people using broken clients on the other
end (like those you listed) risk confusion.

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Mac Forum / Applications / Eudora / September 2006

Eudora question - "extra" file w/sent attachment