[Macpartners] MIME Types with Eudora and OS X

[Christopher Naylor]

Does anyone know how to change the MIME mapping for Eudora 6.2.3 on OS 
X?  The manual describes using ResEdit to edit the resource fork, but that 
sounds strangely OS 9-ish; the included illustration in the manual is of a 
OS 9 window.  My postings in the Eudora forums gets looks but no replies.

Anyway, the reason I ask is this.  I have a user who sends lots of PDF 
files back and forth with collaborators by email.  Recently, his 
collaborators began to complain that some of his PDFs, coming through as 
email attachments, could not be opened.  So the user came to me for help.

First off, Eudora was adding the ".ai" suffix to the file name.  So a file 
"Paper.PDF" was being decoded at the recipicient's end as 
"Paper.PDF.ai".  Remove the ".ai", and the file opened just fine.  The 
files were coming through OK.  Oddly enough, this file name change happened 
to SOME, not ALL, his PDF files sent.  Eudora was sending them all as 
AppleDouble (MIME) encoded documents, without the macintosh information.

His OS recognized PDFs as being Adobe Acrobat Reader documents.  He can 
double-click them, and they open up fine in Acrobat Reader.  The OS 
displays the proper icon with the files.

I examined the file type and creator for the PDFs and found something 
interesting.  PDFs with the proper file type and creator were the ones that 
Eudora added the ".ai" to.  PDFs with improper or missing file type and 
creator data went just fine.  Probably Eudora just encoded those 
missing-data files and sent as-is.  The solution seemed to be to find the 
MIME mappings for Eudora, and make a change.

Easier said than done.  I deleted and recreated his settings.  I deleted 
.plist files from his Library.  I did everything but reinstall the 
application.  Nothing worked.

So I turn to you for help.  Any ideas?

C.


Christopher Naylor

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