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Last week I saved the attachments of an email to a new folder in Documents. Today I received a new email with attachments. I saved these attachments to the same folder. To my surprise the old files (from last week) got a new timestamp. The date is today and the time is a couple of minutes after midnight. Any idea how this is possible? PS. I'm using Thunderbird on an Ubuntu machine.

Hi,

TB recently prints unwanted text/information, this also happens while forwarding certain e-mails. As shown in the attachment TB wants to print seven pages although the original mail has only one.

What can we do?

Thank you in advance.

Regards

Jens Hollenberg

I updated Thunderbird to version 151 yesterday and my Outlook e-mail and calendars did not port across to the new version. Re-installing the e-mail account was fairly simply using the account hub. However, trying to add my Outlook calendars to Thunderbird is proving to be much more difficult. Any advice or suggestions would be greatly appreciated.

Trying to setup Thunderbird for wife’s new laptop… Her 4 separate email accounts with auto setup for the IMAP server info without issues. One account however will not – VERY frustrating as this works fine on her old laptop. Thunderbird setup now appears to have an extra (4th) field required when setting up the account: Usually, its just name, email address and password. I see there’s now an extra box titled ‘Your Login’ being required for auto login. I have no idea what this field should be set to. Also, when I attempt to do a manual setup for the account, the port numbers and server names shown on the internet are completely different to those used on auto, and still get rejected. Doesn’t help that MS trying (and succeeding) to confuse us with all this “Outlook vs Outlook Classic vs Outlook.com”. My wife is unable to continue her work until I get this sorted:-( PLEEEAAASE can someone help me setup this xxxxxxx@outlook.com email account in Thunderbird as an IMAP account?

I've successfully connected to a hosted Exchange server through EWS and NTLM authentication (kudos BTW). But there is a problem - often during operations against EWS I'm presented with "Login to account XXX failed" "Login to server YYY with account XXX failed". I can ignore it (cancel) and it will work for seconds or minutes but eventually reappear. Sometimes it's very frequent, sometimes is here and there. TL;DR; connection works, I can read directories and e-mails.

From looking at development tools I see these scenarios: 1. POST requests return 200 always (no messsage of course) 2. Eventually a POST would return 401. Then Thunderbird issues a GET, it returns 401 as well but response includes header WWW-Authenticate: NTLM XXXXXX. Then another GET is issued containing header "Authorization" with the value from previous response. This time it gets 200 and continues without POST requests without a dialog. 3. Sometimes there are more POST requests with 401 (I assume in parallel) before a GET is issued and then I see a dialog. Sometimes it recovers (regardless of whether I cancel or retry), sometimes gets stuck with 401 with dialog reappearing each time it tries something. This case it's similar in sense that thunderbird issues GET with 401 and WWW-Authenticate header, issues another GET with Authenticate header but still gets 401.

If I had to guess I'd say the problem happens when POST requests are issued in parallel, not sequentially. OTOH it might be a problem at the server, but it isn't very likely.

Couple months back had to restore computer. Wouldn't let me add my POP gmail account, said had to use IMAP. POP was no longer accepted or something to that effect. So I got IMAP set up. (Of course, I did save my old POP folder with some messages in it.) Ever since setting up the IMAP folder I only get maybe 30 messages each morning. Never more. Which is no way right. I've googled and tweeked the synchronization/storage settings and the server settings. Nothing works. I'll spend hours googling suggestions and trying them, then get frustrated and move on. Then a week or so later I go thru it all again. Nothing changes!! Still only get the very few emails each morning. About 30 or so minutes after the initial download of messages, I'll get a pop up saying imap connection lost. This is SO frustrating. I have no idea what to try next. I never had this kind of issue with any of my POP accounts. Any suggestions? I've probably already tried them but will certainly give it another try. Thanks! Lynn

When using the Quick Filter bar to search emails, only a partial list of results is displayed (approximately 2-7 messages). Switching the view from Table to Cards and back to Table via the top-right menu causes the full result list to appear instantly. Similarly, resizing the message list panel triggers the same refresh. I have already tried creating a new profile, but the issue persists. Has anyone else experienced this behavior, and is there a known fix or workaround?

Hi there,

I'm having an issue where I receive invitations by the owner of a calendar i subscribed to. I have to subscribe to the calendar to be able to schedule events with them.

When I receive the invite, it keeps saying "already processed" which is not the case. I dont have that event in my calendar and it has not been accepted.

I have checked that the subscribed calendar is not linked to my account (calendar settings, email account: empty) and the actual calendar is linked to my email account (calendar settings, my email account).

what should happen logically is the "subscribed" calendar should not be counted as my calendar, events should not be counted as already processed and invites should be clickable and then be transfered to the calendar linked to the receiving email address.

Mind you, thunderbird on mobile works like it should. Its only the linux client that has this issue.

Thanks in advance for any help.

Have TBird 102 Installed on 2 Dell LapTop Machines - Win10 OS

The Installation Process Completes but am having issues with the

Incoming Email Server Settings, and the Out Going Email Server Settings. 

On One Installation ( Nov2025 TimeFrame) , the Emails come down into the InBox But Will Not Go Out.

On the Other Installation ( May 2026 TimeFrame ) ... Cannot set up Email Account ... username/password errors.

Attempting to install Thunderbird on an additional desktop using same address as my original computer has. That was my question:

Lin answered: Please quote any and all error messages you see, in full, verbatim. Screen shots would be OK.

Who is your email provider?

Have you compared all account settings, not just the email and password?

Here's my answer to those questions: "Authentication error" "probably wrong configuration, username or password."

My email provider is MTA (Matanuska Telephone Association) Yes, I currently use Thunderbird in my other desk top and it works fine.

I have been using Tbird & Yahoo successfully for years. The Yahoo made the change to require OAuth2. After that change I did get new mail. After that I couldn't receive new messages. I decide this could be fixed by removing my Yahoo account from Tbird and setting it up again.

1. 1 starting from Account Setup, I enter my name, email address and password.
2. 2 Before clicking Continue I disable blocking on my pi-hole in case that could be an issue.
3. 3 A pop-up with a Yahoo ad appears.
4. 4 I click next and enter my password and click next again.
5. 5 I check a box to agree to some terms and Agree
6. 6 Tbird gives me a green box saying, "Configuration found in Mozilla ISP database.
7. 7 I ensure IMAP is selected and click Done.
8. 8 I get another pop-up from Yahoo
9. 9 I check a box to agree to some terms and Agree
10. 10 That green box turns yellow and now says, "Unable to log in at server, Probably wrong configuration, username or password."
11. 11 I can login to the Yahoo webmail page, and there I see a new message that start with, "Your Yahoo account XXXX was used to sign in to a new third part application on thunderbird."
12. 12 Accept cookies from sites is checked
13. 13 I am not using a VPN and my network is the same as when Yahoo and Tbird were playing nicely.
14. 14 Outgoing Server settings for Yahoo Mail list OAuth2 for Authentication method.

What else can I check to setup Yahoo with Tbird? Let me know if there are logs I can provide to help.

I have been using Mozilla Thunderbird for decades and they have even contributed a small amount of money to Thunderbird periodically. Just within the last two or three days all of a sudden I have been unable to send emails with my phone. I receive emails, but I do not send them.

So I opened up a laptop where I did not have Thunderbird and set it up properly through Spectrum using the incoming and outgoing servers as mail.twc.com. and yes, just like on my phone. I continue to receive new emails, but even with the laptop I was unable to send an email.

I received the message"send message error sending a message failed. The message could not be sent because the connection to outgoing server smtp mail.twc.com was lost in the middle of the transaction. Try again."

I contacted Spectrum twice and both times they had me try to send a message through their Web server spectrum.net and that message did go through. Of course then their response is that this has to be a problem with the third-party app meaning Mozilla Thunderbird, and they can’t help with that at all. I sure would appreciate some help because I hate to walk away from Thunderbird as well as change my email address after all of these decades.

I have a small office with 5 stations to access our one email account and we'd used thunderbird for years, but the lack of integration between the stations meant we changed to Outlook and of course that's a shitshow, so I'm coming back to ask you my self (rather than the tech guy) if there's a way to set up thunderbird so that if desk 1 opens and responds to email 17, that all the desks can see both that it happened and access the responce that desk 1 sent.

We have an IMAP email account hosted locally (as in, not a gmail account, or the like).

I'd be more than happy to pay for a piece of software that I could use. I've used Thunderbird (and Eudora) for decades and I'd like to continue to support it. But moreover, I'd like an email server that doesn't limit my account size (I use email for "corporate history") and one that would allow my individual staff members to see everyone's activity in the email server.

I had most recently (like 6 months ago?) been using thunderbird. My Tech guy said it was the most current version, but I couldn't tell you what it was.

We run on Windows -- most on 11 but a couple still on 10 until I can take the time to set up the new computers.

I have 4 email account. One account will not allow me to delete or send to junk box. When I press delete nothing happens. The emails (at least 30) that came in are marked junk too. The other 3 account work fine. I have had these 4 account for years and never had a problem. I have done a complete scan with Norton and nothing came up. Thank You in advance

Just moved to a new computer and am having trouble importing my previuos TBird calendar. From my prior computer backup (created with Macrium Reflect) I have tried moving the local.sqlite backup file to the calendar-data folder in my new TBird profile. However none of my prior calendar events have loaded into my new calendar. Is there another process or file/files I should be using? Thanks in advance. Rob W.

The newest version of Thunderbird wiped out the stored files from the previous version by making me create a new identity. I have tried several times to use "import" to retrieve backed up data from the old version, but without success, even after I re-installed an earlier version of Thunderbird. Each time I use the "import" feature I get a message that it failed unexpectedly. I need these old e-mails because they contain receipts for charitable donations that I need because my tax returns are being audited. What can I do?

I am running Thunderbird 140.9.1esr on openSUSE Tumbleweed.

For a long time now, Thunderbird often runs at high CPU (80-100% of one core), for several minutes at a time (5-10 minutes). This seems to happen many times every day, with no apparent cause from my end. (I just got back from Lunch, and the fan on my laptop was going crazy because of the high CPU.)

What can we do to identify and fix this issue?

I opened Thunderbird today (technically Betterbird, I don't *think* any of the Betterbird differences would affect this) and my calendar is wider than the screen itself. I have no idea how to fix this. It might've happened because last time it was open, my laptop was connected to a larger monitor. I've attached a picture.

(I wasn't really sure what to select for the question topic; I went with accessibility because the issue is obviously affecting my usage.)

I received an email message from earthlink which included a verification code that I did not request. Earthlink support told me to change my password immediately which I did. Now when I open open Mozilla on me laptop, it requires me to put in the new password. How do I change the password/login that Mozilla uses to access earthlink?