Questions tagged [thunderbird]

Free email client from the Thunderbird community. Specify your version number when asking.

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38 views

How to disable the junk mail filter in Thunderbird

I am using Thunderbird through Firefox and I would like to disable the junk folder completely. A lot of my mail goes to junk folder and I don’t want it there. I have tried all suggestions given in ...
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1answer
85 views

Thunderbird does not reopen mails after profile migration

I have migrated the Thunderbird Profile folder from my Windows 7 computer to a new Windows 10 computer (which in reality is a Parallels VM with Windows 10 Home x-64 on my MacBook Pro). When I opened ...
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Thunderbird does not start anymore after having restarted Windows 10

I have installed Thunderbird 68.4.2.7327 in a Parallels VM (Windows 10 Home 64-bit). After the installation it worked without problems. But after having restarted Windows, I cannot start Thunderbird ...
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1answer
85 views

How can I schedule an e-mail in GMail using thunderbird

GMail has the magical "Send later" feature which allows for scheduling e-mails. Is there a way of scheduling an e-mail through Thunderbird, using GMail's service, so that I can prepare e-mails in ...
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1answer
40 views

Thunderbird: How to use the same identity for multiple mail accounts

As noted in this answer, Thunderbird (with multiple mail accounts) always selects the default identity of the currently selected account when opening a "Write" window for a new email. For one of my ...
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96 views

Restore Thunderbird's look/interface?

I have two computers running the same version of Thunderbird. One uses an old, 5+ years, installation and looks like TB always did but on the other machine, where I made a new installation a few weeks ...
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6 views

How to set the preferred message format for selected contacts

In Thunderbird 68.4.1, under Ubuntu 19.10, if I edit a contact in my address book I see: Prefers to receive messages formatted as HTML|Plain Text|Unknown Because I have hundreds of contacts, is ...
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40 views

Syncronize Thunderbird tags between 2 PCs and with the phone app Spark (Outlook IMAP server)

I have a laptop and a desktop both running Thunderbird. And a phone with the Spark app for emails. I have an Outlook IMAP account. I just need to be able to create the standard tag "to do" in either ...
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48 views

How can I discover my Windows 10 mail settings for my gmail account?

I recently upgraded my desktop computer from Windows 7 to Windows 10. I've happily used Thunderbird for all of my email accounts for years. In Windows 10, I successfully set up Thunderbird 68.4.1 to ...
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36 views

Organised multiple calendars hierarchicaly in Thunderbird's calendar (Lightning)

In Thunderbird's calandar (The lightning add-on) it seems that different calendars can only be shown as a long list. Cf. the middle-left on the picture below; The above is a flat list; ├── Home ├── ...
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28 views

Delete just email attachments

I want to just delete email attachments. Mainly from gmail accounts, but it would be nice from other accounts too like iCloud. The idea is to delete de attachments while keeping the mail. ...
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1answer
348 views

How to automatically archive to Thunderbird Local Folder?

I have set up a new account with IMAP protocol, and configured archiving this way: Account settings -> myaccount@new.server -> Copies & Folders -> ...
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24 views

Email Account List not Showing Up in Folder Pane

Usually all the accounts that was added to Thunderbird will show up on the folder pane, each having their own inbox, drafts, sent, and trash folder. However for some reason on the computer my friend ...
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1answer
123 views

Thunderbird crash report right after start

I have a problem with Thunderbird from some days. When I try to start it, it crash right after start and only I see window for "Crash reporting tool" from Thunderbird. I don;'t know what happened. i ...
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316 views

How to downgrade to a specific version of package in linux mint?

I've recently upgraded thunderbird to version 68.2, which broke every single addon I had, so I decided to downgrade to version 60.9, specifically, apt-cache policy thunderbird showed me that a ...
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1answer
73 views

Add column in ThunderBird to show the message content (initial first words)

I want to have a new custom column, which will be i.e. message or whatever.. and it will show the message (inbox) content, lets say, initial 5-6 words : How anything like that possible? p.s: Current ...
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2answers
401 views

Thunderbird: Quick filter bar customization

I am using Thunderbird 68.2.2 in Debian Buster. Normally, the menu bar can be fully customized, by clicking right mouse button. But, tragically, for some reason, the quick filter has elements that ...
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35 views

Categorizing and re-categorizing appointments in Thunderbird

In Thunderbird, or rather in the Lightning Calendar Add-On, how best to categorize different types of appointments, e.g. for "work" and "private", or more fine-grained than that? Obviously, there is ...
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39 views

Thunderbird removes X-Headers

The title. I have a central mail account which has only one purpose, forwarding all incoming mails to another email address. I want to pass information through X-Headers (apparently this is a thing). ...
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0answers
78 views

How does one properly backup/export Thunderbird/IMAP mails?

I use Thunderbird for my mail on a lot of IMAP servers. Currently, I have set my offline settings to include every folder and go to offline mode every few days. That should mean I always have all ...
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1answer
577 views

Thunderbird: improper command pipelining

I have my own mail server running on a remote machine (Ubuntu, Postfix, Dovecot). At home I have an old iMac (OS = macOS Catalina) and I also have a new multiboot machine with the operating systems ...
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1answer
143 views

Thunderbird changes file names in Maildir folder

Whenever I put a mail in my Maildir/.Send/cur/ folder and I view this email in Thunderbird, suddenly, the file name has changed to something like this: 1573421271.M387702P15858.domain.com:2,S This ...
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1answer
87 views

Thunderbird: Moving mails to Local Folder and deleting them from IMAP

I am reaching the limit of my IMAP folder. With the idea of moving some of the largest emails to a local folder, I used Thunderbird's search function, found around 300 Inbox messages over 5MB, dragged ...
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4answers
3k views

Thunderbird fails gmail OAuth2 despite correct credentials

When trying to set up Gmail account using OAuth2 on fresh Thundirbird install I can't get properly authenticated despite providing correct credentials. With help of the Thunderbird wizard I get all ...
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3answers
569 views

Delete OAuth2 token in Thunderbird e-mail client

I am using Thunderbird to access my Google Mail. I use OAuth2 to authenticate. I am doing some testing and want to delete the OAuth2 token Thunderbird is using so that I am forced to re-authenticate. ...
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2answers
2k views

Make Outlook look like Thunderbird?

For some strange and irrelevant reason, I am currently consigned to using Microsoft Outlook on Windows on some computer. Now, I'm used to Mozilla Thunderbird, which has a bunch of shortcomings and ...
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73 views

Use email addresses with plus signs in Thunderbird

It's nowadays normal to differentiate an email account by adding tags, such as janedoe+work@example.com, janedoe+private@example.com and so on. Depending on the email provider, all these mails should ...
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1answer
38 views

Reset a folder in Thunderbird

For some reason Thunderbird deleted both my email accounts, I did get them reset, one account repopulated the sub folders I had set up with saved messages. The other account did not repopulate the sub ...
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3answers
1k views

Thunderbird not updating certificate, keeps using old one and saying it's expired

I have an email server where I have Let's Encrypt SSL certs, expiring every 3 months, and certbot automatically renews it. If I access the server through a website in the browser, the correct and ...
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1answer
428 views

How to use a remote folder for Thunderbird

On Thunderbird, I would like to use a remote folder located on my cloud instead of the local folder. Is there any addon that could make it possible ?
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1answer
9 views

Label and sort Thunderbird email

If possible, how can I label (group) received / sent Thunderbird email messages and recall the group in a list for viewing or further processing? Any references with examples are appreciated. Thank ...
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64 views

How to disable DEFLATE for one of the IMAP-accounts?

My home desktop is connected to the mail server via an InfiniBand link -- there is absolutely no point in server compressing the messages and the client inflating them back. Yet, that's what ...
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1answer
1k views

Mozilla Thunderbird not opening p7m attachment of encrypted emails

When I receive an encrypted and signed email in Thunderbird, I can only see smime.p7m file attachment and no message. Mozilla should automatically decrypt and display the message (provided I have ...
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2answers
659 views

Thunderbird converts HTML mail to plain text when I send it

When I write emails in Thunderbird (currently version 60 but this goes back since long) I write them in HTML. I see all the markup buttons and it looks OK. Then I send them and suddenly they are ...
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0answers
96 views

Thunderbird: Display new emails in folded threads more aggressively?

When using the threaded view in Thunderbird, I have run into the problem, that it is easy to miss new mails, if the thread is folded. This is double important, because threads are folded by default. ...
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3answers
428 views

How to copy the recipient address into the reply-to field automatically when replying to email in Thunderbird

Problem: I've been using a CATCHALL alias on my domains for quite some time. And up until now, I've had to type the email-address which I want the recipient to respond to, manually, in thunderbird. ...
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2answers
419 views

Thunderbird: Using POP, how does the “Leave message on server” work when unchecked?

I installed Thunderbird Portable because I wanted to copy an email from one account to another. I accidentally selected POP3 instead of IMAP. By default, the settings are "Leave message on server for ...
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1answer
206 views

Remove email (.eml) duplicates

I have a folder with around 50.000 emails in .eml format. There are many duplicates, even triplets or quadriplets of them, i suppose around 30.000 in total. I have tried to remove duplicates using ...
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1answer
943 views

Thunderbird authenticating with dovecot fails in 0 secs without username

I have set up Dovecot with effective configuration (with dovecot -n) # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf # OS: Linux 5.2.15-200.fc30.x86_64 x86_64 Fedora release 30 (Thirty) # Hostname: &...
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3answers
242 views

Thunderbird 68 (64 bit) - can't save attachment

I use Thunderbird 68 (64 bit) on Windows 10 64 bit with 6 IMAP mailboxes and one GMail mailbox. With one of the 6 IMAP mailbox there is the following problem: if the mailbox gets a mail with an ...
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3answers
1k views

Thunderbird lagging for a few seconds after certain actions (but not freezing)

I am using Thunderbird since a long time and never had real problems with it. This recently changed on one of my PCs (Windows 10 x64 Enterprise, Thunderbird 60.9.0 32 bit). On this PC, Thunderbird ...
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1answer
98 views

Is there a one-click message delete option in Mozilla Thunderbird?

After having Gmail and Hotmail tabs hogging my Chrome browser w/ irrational memory consumption, I decided to try desktop email clients. Using Windows 10's native Mail app was fine, except for the fact ...
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3answers
1k views

No solution for Thunderbird date format

I run Linux Mint 19.2 and Thunderbird 60.8.0 (July 2019). I am trying to change the UI to display the dates in a reasonable date format called ISO 8601, and for that I tried setting LC_TIME=en_DK.UTF-...
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1answer
47 views

Thunderbird - IMAP vs Profile Copy

So far I only used Thunderbird on my desktop PC. I want to install it on my Laptop as well and my questions concern synchronization. I am aware that I can copy my Thunderbird profile from my desktop ...
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1answer
68 views

Prevent Thunderbird from automatically marking messages as read on the server when just downloaded?

Thunderbird marks ALL downloaded messages as read on a server, even if I didn't open any of them. E.g. my android mail client doesn't have such problem - message marked as read on a server only when I ...
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1answer
290 views

Where does thunderbird store the training data for its adaptive junk mail filter

Thunderbird has a junk filter which can learn as you mark more and more mail as junk. I want to know what is the name of the specific file in the thunderbird profile containing the training data of ...
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1answer
271 views

List all Starred messages in Thunderbird sidebar

In Outlook, I can see all messages marked as Follow-up in the sidebar: Is it possible to do the same with Thunderbird? Is there an extension that does that? Having a special folder that shows all ...
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0answers
109 views

Stop Thunderbird changing color of Google Calendar events

I have configured Thunderbird to sync with my Google Calendar. The two-way sync works perfectly, but every time I sync Thunderbird with my Google Calendar, it changes the color of all past events to ...
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24 views

Display reply-to field in the inbox of Thunderbird

I get a lot of emails from webadm@... They have the reply-to field set. I am interested in seeing this field. Is there a way to make thunderbird display it? I can choose fields to diplay but Reply-To ...
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2answers
2k views

Send a single HTML email from Thunderbird, overriding the default “plain text” setting

I do not like HTML emails. Because of that, I've set my Thunderbird to compose emails as plain text. But, in some rare cases, I have to send an HTML email, e.g.: Hi Your Majesty, the button you ...

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