Outlook does not delete but displays deleted messages as strike-trough

2005-12-11 Thread Thomas Schlosser
Hi,
unfortunately I have some Outlook-users on my IMAP server.
When a Thunderbird user deletes a message, it vanishes from the mailbox and 
moves into the Deleted
Items box. From an Outlook client the same deletion does not delete the 
message but displays it in
strike through letters - the message can still be opened.

Does anybody know the reason? Can I change this behaviour either on the client 
or the server side?

Thx in advance
Thomas

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Re: Outlook does not delete but displays deleted messages as strike-trough

2005-12-11 Thread Paul-Erik Törrönen
On Sun, 2005-12-11 at 15:27 +0100, Thomas Schlosser wrote:
 unfortunately I have some Outlook-users on my IMAP server.
 When a Thunderbird user deletes a message, it vanishes from the
 mailbox and moves into the Deleted
 Items box. From an Outlook client the same deletion does not delete
 the message but displays it in
 strike through letters - the message can still be opened.
 
 Does anybody know the reason? Can I change this behaviour either on
 the client or the server side?

This would be because in Thunderbird you actually can configure things,
while in Outlook the users are forcefed. When you delete messages in
Outlook, it merely marks them as deleted (strikethrough), the user must
separately choose Edit/Purge Deleted Messages to get rid of the messages
(no it's not even shortcutted by default). Thunderbird seems to be
configured by default to _move_ the message to the Deleted Items-folder
and thus they vanish from whatever folder they were.

A few users of ours moved over to Thunderbird because of this MS
'feature'.

Poltsi

-- 
Paul-Erik Törrönen, 
Cardinal Information Systems Ltd.
Pursimiehenkatu 29-31 C
00150 Helsinki, Finland
Mobile: +358 (0)40 703 1231
Phone: +358 (0)424 792 204
Fax: +358 (0)424 792 207
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Re: Outlook does not delete but displays deleted messages as strike-trough

2005-12-11 Thread Jorey Bump

Paul-Erik Törrönen wrote:

On Sun, 2005-12-11 at 15:27 +0100, Thomas Schlosser wrote:


unfortunately I have some Outlook-users on my IMAP server.
When a Thunderbird user deletes a message, it vanishes from the
mailbox and moves into the Deleted
Items box. From an Outlook client the same deletion does not delete
the message but displays it in
strike through letters - the message can still be opened.

Does anybody know the reason? Can I change this behaviour either on
the client or the server side?


This would be because in Thunderbird you actually can configure things,
while in Outlook the users are forcefed. When you delete messages in
Outlook, it merely marks them as deleted (strikethrough), the user must
separately choose Edit/Purge Deleted Messages to get rid of the messages
(no it's not even shortcutted by default). Thunderbird seems to be
configured by default to _move_ the message to the Deleted Items-folder
and thus they vanish from whatever folder they were.

A few users of ours moved over to Thunderbird because of this MS
'feature'.


The IMAP specification was written with a bias towards flat-file formats 
that put multiple messages in a single file. The ability to mark a 
message as deleted, then remove them all in one operation is considered 
an important way to reduce the load on a server.


Even with file-per-message formats, like cyrus or maildir, a visible 
indicator that a message still needs to be purged is very useful, and 
arguably eliminates the need for a special trash container. Many webmail 
administrators were burned by this lack of feedback, as roaming users 
went over quota because they deleted without purging. It's not easy to 
explain to a user that delete doesn't actually delete the message, and 
this definitely presents a usability problem common to all IMAP 
implementations.


I don't know how configurable Outlook is, but this might be a rare case 
where it chooses a sane default. In fact, whenever I configure 
Thunderbird for a user, I always set it to mark messages as deleted. It 
saves me a lot of headaches, and knowledgeable users are able to 
customize the settings to their liking.


I'll even go further, and say that Thunderbird, IMHO, does everything 
wrong during intial account setup:


- automatically shows only subscribed folders
- automatically selects plaintext logins
- defaults to a single SMTP server for multiple accounts
- default uses HTML for composing messages
- hides deleted mail

In spite of these flaws, I prefer Thunderbird as an email client. At 
least it lets me alter this behaviour, even if it is after initial 
account creation.


In any case, this is a client-side issue, and anything you attempt to do 
on the server is likely to cause more problems, especially for 
knowledgeable users.




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Re: Outlook does not delete but displays deleted messages asstrike-trough

2005-12-11 Thread Bill Kearney
 Thunderbird seems to be
 configured by default to _move_ the message to the Deleted Items-folder
 and thus they vanish from whatever folder they were.

No they don't 'move'.  They're simply marked as deleted, just as Outlook
does, but they remain in the original folder.  Try it, delete one in tbird
and then connect to the very same mailbox using something like pine.  You'll
see the message is still there, just marked for deletion.

The problem with this is wasted space.  The user thinks the message is gone
but it's still there taking up disk space and potentially reducing their
quota.  Leaving them with strikeouts at least introduces the user to the
concept of 'purging their own trash'.  I've found running schedule deletion
tasks to be a VERY BAD IDEA.  Users have all sorts of stupid notions about
what being 'in the trash' means.  Like they want me to go climb into the
dumpster to go get the message they put in the trash 3 months ago...  By the
time you set a 'wide enough' window of time for automatic deletion you run
out of disk space.

Bottom line, I've found it's better to use strike-through marking and have
the client do the purging.  Some clients offer a feature to do it on leaving
the application or folder, prompted by a dialog box.  Works well for most
users, especially the ones that want to delete it, but not really.  Ugh,
users

 A few users of ours moved over to Thunderbird because of this MS
 'feature'.

I think outlook's utterly crappy handling of IMAP is a more powerful
motivator.  Outlook Express, on the other hand, does a fine job of
supporting IMAP.  But the regular Outlook 2003 and past versions have had
absolutely crappy IMAP handling.  Such that it makes it almost impossible to
use OL2003 against an IMAP server.  I long since gave up on it for IMAP
access.

-Bill Kearney

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Re: Outlook does not delete but displays deleted messages asstrike-trough

2005-12-11 Thread David H. Lynch Jr.
Bill Kearney wrote:
 I think outlook's utterly crappy handling of IMAP is a more powerful
 motivator.  Outlook Express, on the other hand, does a fine job of
 supporting IMAP.  But the regular Outlook 2003 and past versions have had
 absolutely crappy IMAP handling.  Such that it makes it almost impossible to
 use OL2003 against an IMAP server.  I long since gave up on it for IMAP
 access.

I migrated users from Outlook MAPI, to Outlook IMAP against an exchange
server in preparation for migrating to Cyrus.
For all its flaws Outlook IMAP works better than Outlook MAPI.
The only new problem was that Outlook IMAP would not properly use
the Outlook special folders like calendar, tasks and contacts when
accessed via IMAP. All Microsoft's Contacts, tasks, etc are is specially
formated messages. It would be really nice if tbird was able to parse
those messages, and use them as contacts, or calendar items.


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cyrus-imapd 2.3.0

2005-12-11 Thread Jorey Bump
A new version of the Cyrus IMAP server (2.3.0) has appeared on the FTP 
site. Is this considered the latest stable version? It has no 
corresponding signature file.



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