[imp] HELP! prorblem with attachments

[HP Lui]

Hi,
I am using Linux 8.0, Horde 2.1, IMP 3.1.

1) When I sent message with a plain text attachment. Two 
attachments were received. The first one was OK, while the
second one was an empty attachment.

2) When I sent message with a Microsoft Word attachment file.
Two attachment were also received.  The first one was not an 
empty file, however it could not be opened by Microsoft Word.
(error message was:
"The document name or path is not valid. Try these suggestions
* check the file permissions for the document or drive,
* use the file open dialog box to locate the document. .."
Nove of the above suggestions worked.

Also, when I send message uit Microsoft Word attachment file,
following messages were shown: (Note: I added one line 
"echo $filename" in ~horde/imp/compose.php, the first line
was the out of $filename).

------below was the messages ----

/tmp/impattGGmBG1/tmp/impattGGmBG1
Warning: fopen("/tmp/impattGGmBG1", "rb") - No such file or directory in /var/www/html/horde/imp/compose.php on line 322

Warning: stat failed for /tmp/impattGGmBG1 (errno=2 - No such file or directory) in /var/www/html/horde/imp/compose.php on line 323

Warning: fread(): supplied argument is not a valid File-Handle resource in /var/www/html/horde/imp/compose.php on line 323

Warning: fclose(): supplied argument is not a valid File-Handle resource in /var/www/html/horde/imp/compose.php on line 324

Warning: unlink() failed (No such file or directory) in /var/www/html/horde/imp/compose.php on line 325

-----end of the message ----

Since $filename was "/tmp/impattGGmBG1/tmp/impattGGmBG1". It was repeated
once. It did not look like right value. Maybe that is the problem.

Please advice, if anyone who has a clue how to fix it. Thanks

Lui