On 2012-07-13, SanthanaKrishnan <n.sant...@arasans.in> wrote:
> Fedora 16 and Evolution 3.2.1
>
> For viewing winmail.dat attachments I have "Extract TNEF archive" which
> extracts the archive and stores it in ./cache/evolution/tmp. Every time
> I have to open the folder to view the extracted files.
>
> Isn't there a easy way ?
It's better not to look at TNEF attachments at all. Tell the sender
to fix their client.
The best approach is to automate the above with procmail. This is a
procmail script that will respond appropriately to your sender:
PRC_LIBRARY_DIR=$HOME/procmail
TEMPDIR=$HOME/tmp
MAILDIR=$HOME/Mail
MYSELF ="m...@address.com"
ORIG_MSG ="$TEMPDIR/preserved_orginal.msg"
OUTLOOK_NOTICE ="$PRC_LIBRARY_DIR/outlook_idiot_lecture.msg"
AUTORESP_OUTBOX ="$MAILDIR/sent-mail/autoresp"
OUTLOOK_SENDERS ="$MAILDIR/outlookusers.cache"
:0 c: captureorigmsg.lock
* -17^0
* 5^0 B ?? Content-Type: application/ms-tnef
*$ 5^0 ^TO_.*\/$MYSELF
*$ 5^0 !^X-Loop: $MATCH
* 5^0 !^FROM_DAEMON
| (echo "---Original Message---"; \
formail -X "From:" \
-X "To:" \
-X "Subject:"; \
echo) > $ORIG_MSG
OUTLOOKSCORE=$=
# Be sure to add the following line to your
# $HOME/.mh_profile file:
#
# mhstore-store-text: -
#
# This is necessary in order for the following
# recipe to function properly.
#
:0 c: captureorig.lock
*$ $OUTLOOKSCORE^0
| mhstore -file - -type text/plain | sed -e 's/^/> /' >> $ORIG_MSG
:0 Whc: outlook.lock
*$ $OUTLOOKSCORE^0
| formail -rD 8192 $OUTLOOK_SENDERS
:0 ehc # if the name was not in the cache
| (formail -rtI"Precedence: junk" \
-A"X-Loop: $MATCH" \
-I"From: $MATCH" ; \
cat $OUTLOOK_NOTICE ; \
echo; \
cat $ORIG_MSG ; rm $ORIG_MSG \
) | tee $AUTORESP_OUTBOX | $SENDMAIL -oi -t -f $MATCH
OUTLOOKSCORE=-1
Then create a text file named "outlook_idiot_lecture.msg",
containing the following:
My scripts have detected that you sent me an email containing a
proprietary Microsoft Outlook attachment. This is an automated
response, intended to inform you that you are using a non-standard
email client.
I highly recommend discontinuing use of Micro$oft Outlook. This is
another notorious example of Microsoft going against standards that
enable communication between users of different environments. Please
stop supporting Microsoft in their efforts to divide the Internet
community into isolated sectors. Ditch Outlook. All non-Microsoft
email clients (to my knowledge) embrace open standards.
The specific problem here is that Outlook wraps attachments using a
proprietary encoding scheme (called ms-tnef) to prevent Outlook users
from sharing files with non-Outlook users. Microsoft obviously does
not give their users fair warning that their communication will be
crippled in this way. There is no benefit to this foolish scheme;
it is simply an unnecessary absurdity.
As an expert user, I have installed some obscure special purpose tools
specifically for extracting the contents of ms-tnef winmail.dat files
so they are in a usable form. So with enough effort, I can go
through a six step process to recover the payload. However, do not
count on any average non-Outlook user having this capability.
Furthermore, since I have not yet automated extraction of Outlook
proprietary attachments, I do not want to put forward the effort to
manually extract the data, only to find a stupid joke or a mere
duplication of what was in the body of your message. If your
original message did not contain specific information about the
contents of the attachment, please reply to this and tell me whether
the effort is worthwhile.
There are ways to configure *some* versions of Outlook (or Outlook
Express) to send standard attachments instead- but the real solution
is to abandon Outlook altogether- it's junk.
If my scripts are working correctly, you should only receive this
notice once. Future submissions of Outlook proprietary attachments
from the same email address should not receive this response.
However, I will still receive them.
I hope you realize that I have nothing against you as a person.
Thank you.
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