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append-only mode for IMAP synchronization (prevent server from deleting messages)

Hi. I'm looking for a way to block message removal by the server in the IMAP protocol - the "(server) append only mode" (it should be still possible to delete/move messag… (続きを読む)

Hi. I'm looking for a way to block message removal by the server in the IMAP protocol - the "(server) append only mode" (it should be still possible to delete/move message from Thunderbird).

Why? I see 2 main use cases:

1. The (corporate) server has message retention set globally (e.g. to 1 year) which "cannot" be changed. Users might want to keep their "important" email longer (and in addition, keep it in the same folders as before, not using the folders copy in the "Local folders" space).

2. Due to the unexpected situation - a server error, fire in a data center, a ransom attack, malicious email provider - all the email (or some of them) are removed from the server. Thunder would sync with the server removing the messages from the synchronized folder on a computer (sure, backup is good, but for the "silent action" - e.g. part of the emails deleted (or encrypted), it might take too long to detect that problem and still have a valid backup).


The are some (not perfect) workarounds, including:

- keeping old emails in the "Local folders" - two places to search (or many if you have a folder hierarchy with the automatic filtering)
- a separate, local IMAP server to keep an "append only" copy of the message (e.g. isync, offiline imap), possibly to be used by Thunderbird (instead of the upstream IMAP server)
- using POP3 (with its own downsides :) )


An obvious downside of the implementation in Thunderbird - which users of that feature have to be aware - is not doing any delete/move operations on the server (e.g. with the webclient or some other IMAP client). Nevertheless, to fulfill the aforementioned requirement it doesn't seem a high cost.

Questions: 1. Is it possible to achieve in Thunderbird itself? 2. Is there any API to help implement that as an extension? 3. Have you - by any chance - tried to implement that using the third party tools (e.g. a local IMAP server which is used by TB) and can recommend any solution? 4. (Bonus) Do you think it would be an useful addition to Thunderbird?

Marcin

Asked by Marcin 24 分前

How can I make a new address group from the cc addresses in an e-mail

I've recently joined a committee which has about thirty members. They frequently e-mail eachother, and all their addresses appear on each e-mail (all too often in the 'to… (続きを読む)

I've recently joined a committee which has about thirty members. They frequently e-mail eachother, and all their addresses appear on each e-mail (all too often in the 'to' box, I have to say). I've managed to shift them all into the cc box, but I would like to be able to combine them into an address book group. I've tried copying them out of the cc box, but that doesn't seem to work (because I can't select them all simultaneously). Is there a way to do this withot having to copy each address individually into a new address book group? Regards, Tim Dawson

Asked by ramasaig 4 時間前

email viewing settings reset on startup

thunderbird changes my email viewing settings. It will member the settings until I starts the computer. Using PC, Windows 10 (latest Version) and Thunderbird 64 latest ve… (続きを読む)

thunderbird changes my email viewing settings. It will member the settings until I starts the computer. Using PC, Windows 10 (latest Version) and Thunderbird 64 latest version.

Asked by Brucecranford 2 日前

Last reply by Brucecranford 6 時間前

sent email setting for outlook email on office365

Dear all, morning from Italy I'm still finding the way to settle in Thunderbird app on my Mac Book Pro a Copany email that is from Outlook and Office365. Even if i found … (続きを読む)

Dear all, morning from Italy

I'm still finding the way to settle in Thunderbird app on my Mac Book Pro a Copany email that is from Outlook and Office365.

Even if i found the code for the setting, when the process is finalized it is possible to send an email well received for another personal account (i try in this way) but the sent email is not yet registered in proper folder in Thunderbird

The same is for an arriving email by third personal account

My necessity is to store all the communications cause important and cause i DON'T WANT use the web with Outlook.com page open on Apple.

Thank You so much for the attention and the support.


N.B. Let me sfecify is not the fist time i settle sucha kind of email company account.

VINCENZO

Asked by ZULLO 14 時間前

cannot find emoji add on menu

I have had an emoji add-on menu permanently installed for many years that stayed to the right of my email message pane. It disappeared when I had a new hard drive install… (続きを読む)

I have had an emoji add-on menu permanently installed for many years that stayed to the right of my email message pane. It disappeared when I had a new hard drive installed in my PC. I just downloaded 2 emoji add-ons but cannot access them. Help!!

Asked by plr66 3 日前

Last reply by plr66 3 日前

Increase number of recent "move to" or "copy to" folders

How do I increase the number of "move to" or "copy to" folders in Thunderbird version 102.*? Currently mail.folder_widget.max_recent is set to 25 but I only have a maxim… (続きを読む)

How do I increase the number of "move to" or "copy to" folders in Thunderbird version 102.*?

Currently mail.folder_widget.max_recent is set to 25 but I only have a maximum of 5 recent folders showing in the 'move to'/'copy to' command

Asked by selfsimilar01 5 日前

Last reply by selfsimilar01 3 日前

Page Inserted into Incoming Message Is Too Small

I have just migrated from Windows 10 to 11 following purchase of a new PC. I receive daily messages from two group. Both appear to paste a page into the circular. In my o… (続きを読む)

I have just migrated from Windows 10 to 11 following purchase of a new PC.

I receive daily messages from two group. Both appear to paste a page into the circular. In my old set up, these pages fitted the width of the screen. Now they use about one-third of the width.

How do I increase the size of the page to make it easier to read? I could read in browser, but would prefer to read in the email.

Image attached.

Asked by wendwell 5 日前

Last reply by wendwell 5 日前