[imp] IMP is breaking certain attachments.

[Adam Tauno Williams]

On Wed, 2010-11-17 at 14:22 -0700, Michael M Slusarz wrote: 
> Quoting Adam Tauno Williams <awilliam at opengroupware.us>:
> > Horde 3.3.4 / IMAP H3 4.3.4 / PHP 5.2.12
> > PEAR: Mail_Mime 1.8.0 Fileinfo 1.0.4
> > I'm having an issue where certain files attached to messages in IMP get
> > corrupted. Almost all files work. But for some files, I believe, IMP is
> > not base64 encoding them.  On the corrupted files the message source
> > looks like :
> > --=_52mp429tmh8o
> > Content-Type: text/base64;
> >  charset=UTF-8;
> >  name="Nov17-120851.pdf"
> > Content-Disposition: attachment;
> >  filename="Nov17-120851.pdf"
> > Content-Transfer-Encoding: quoted-printable
> > If I send the same file from the same place using Evolution the message
> > source looks like the following and the attachment is valid -
> > It isn't just PDF-files-do-not-attach, some PDF files do.  I've tried
> > these files on Windows, LINUX, attaching from different folders, etc...
> > The broken attachments do appear as different sizes than files that are
> > correctly attached.
> 
> Your browser is reporting the wrong MIME type.  IMP does not base64  
> encode text attachments.

Huh; the same browser error on IE7/XP, FF/XP, and FF/GNOME??