[imp] errors attaching file to email

[Matthew Hilty]

Hi,
	I experienced the exact same error after upgrading from 2.2.1 
to 2.2.4, and had to supress the error messages so that we could 
maintain services...one problem, however, is that it takes 
significantly longer to attach a file, which can be disconcerting 
over a modem connection/slowwwww network.  Another problem is that
  	At this point, and I am beginning to suspect that this is 
directly related to another problem that I have noticed, and reported 
to the list regarding MIME type encoding when sending mail from IMP. 
The MIME problem is expressed by all outgoing attachments sent from 
IMP being encoded as application/octet-stream, and while this is now 
a function of the browser, it is broken on absolutely every browser I 
have tried, bar none!  Responses to my post about this problem 
indicate that it should be solved by changing MIME/helper-app 
associations in the browser, which did not work at all to fix this 
problem with IMP.  The litmus test for how my browser handles MIME 
attachments is to send a message/attachment using another mail 
client, and to read/decode it with IMP, which works fine, and can 
launch all sorts of fancy rendering windows for Word docs, jpgs, 
etc...
	 I suspect that the Warning about garbled headers renders IMP 
unable to correctly detect the browser's "advertisement" of the MIME 
type of an attachment, so it falls back to application/octet-stream, 
which forces attachments to be downloaded by the recipient....not too 
out of the ordinary, except that many people are accustomed using IMP 
to send attachments, and prior to the upgrade, had absolutely no 
problem like this....so, I further suspect that if this bug gets 
fixed regarding  "Upload Mime headers garbled..." that IMP will 
understand my browser better....sound reasonable?
	Discussion about this error has suggested both a bad rpm'ing 
of PHP (php-3.0.18-6.2horde1) and also the classic 
whitespace-outside-a-bracket-vs-additional-headers
error that often throws "Cannot add more header" error, but it 
doesn't seem to have been resolved, and grepping through includes for 
trailing whitespace is a tedious bore, and probably not necessary 
here, since most of the code is very consistently written.  So, in 
the interest of killing two bugs with one post...if anyone 
experiencing the Garbled Headers bug has also found that sending 
attachments with IMP in 2.2.4 doesn't work as previously, please 
sound off!  First step here is to try another version of PHP, 
basically, which I'll try in the meantime, but I'd love to hear from 
other folks who are bearing with this Current phase of IMP (before we 
all upgrade again that is:)

Thanks!

matthew



RedHat 6.2
apache-1.3.14-2.6.2

horde-1.2.4-1rh6
imp-2.2.4-1rh6
php-imap-3.0.18-6.2horde1
php-3.0.18-6.2horde1
php-ldap-3.0.18-6.2horde1
php-mysql-3.0.18-6.2horde1
horde-mysql-1.2.4-1rh6
php-manual-3.0.18-6.2horde1



>i used to have horde 1.2.3 and imp 2.2.3 with Mysql 3.22.32 installed by
>RPM on an redhat 6.2 intel linux system. it all worked fine but there was
>the bug with IE 5.5 so i did an RPM upgrade to IMP 2.2.4 and horde 1.2.4
>and now whenever i attach a file i get an error. i browse the file 
>okay but when
>i click on "attach" the browser returns the errors detailed below.
>
>the wierd thing is that the file does get attached and the recipient gets the
>mail complete with attachment just fine. the errors are however a little
>disconcerting to users so if anyone has seen this or can suggest what
>could be wrong i would appreciate any advice.
>
>also does anyone know when IMP 2.3 will be officially released?
>
>sincerely,
>
>bob reven
>
>===============================================
>
>Warning: File Upload Mime headers garbled [ in 
>/home/httpd/html/horde/imp/compose.php3 on line 1
>
>Warning: Cannot add more header information - the header was already 
>sent (header information may be added only before any output is 
>generated from the script - check for text or whitespace outside PHP 
>tags, or calls to functions that output text) in session.inc on line 
>448
>
>Warning: Cannot add more header information - the header was already 
>sent (header information may be added only before any output is 
>generated from the script - check for text or whitespace outside PHP 
>tags, or calls to functions that output text) in session.inc on line 
>449
>
>Warning: Cannot add more header information - the header was already 
>sent (header information may be added only before any output is 
>generated from the script - check for text or whitespace outside PHP 
>tags, or calls to functions that output text) in session.inc on line 
>450
>
>Warning: Cannot add more header information - the header was already 
>sent (header information may be added only before any output is 
>generated from the script - check for text or whitespace outside PHP 
>tags, or calls to functions that output text) in 
>./templates/doctype.inc on line 8
>Composing: Added an attachment... - Wed 14 Mar 2001 08:48:44 AM GMT
>
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Matthew Hilty
Information Services
The Art Institute of Chicago
116 S. Michigan Avenue | Chicago, Illinois 60603

tel: 312.899.7431
email:mhilty@artic.edu