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Thunderbird’s connection to one of my gmail accounts failed today.

I removed the account and then tried to add it again to Thunderbird.

When logging in using a Google generated App password, I receive the following message:

"400. That’s an error. The server cannot process the request because it is malformed. It should not be retried. That’s all we know."

OAuth2 is in place, and I’ve carried out all other recommended checks I can find on your website. My other Gmail accounts are working fine.

Please can you help? Many thanks.

I am running Thunderbird version 115.4.1 on the Windows 11 system. Having Thunderbird active (even in the background or minimised) stops the Windows key from working. How can I get the Windows key to work normally without closing down and exiting Thunderbird?

I desperately (sobbing here) need someone to hold my hand and walk me through this!!! I uninstalled the newest version (115) and installed the previous version (102) because of an outgoing mail problem. It gave me a warning that the newer version changed my profiles and it's not compatible so I downloaded the new version again. The import screen doesn't look anything like what it says in the help files. I don't have an option for importing from a previous version.

Please rescue me. I run a nonprofit and I have deadlines and meetings next week that I was supposed to make arrangements for and I've been dealing with this for almost a week.

In a world where respondent's often draft messages about a new subject by lazily replying to messages on an old subject, does anyone find Threading helpful? Why is it now the default.

After View/Sort by/Unthreaded then propagating that by "apply current view to all folders." All folders do in fact sort by unthreaded. But if I create a new subfolder it defaults to sort by threaded. Please, is there anyway to entirely disable Threading?

Hi,

TB 91.5.0 on Windows 10 (with profile folder excluded from virus scan)

The latest update to seems to have resurrected a problem with saving copies of sent emails. Sending works fine, but copying of the sent email to the sent folder causes the send dialog to hang. Disabling the "Place a copy in:" option in account settings eliminates the problem. Using the "Other" option to place it in a local folder works *that is not part of a unified folder* works OK.

I have tried repairing folders and deleting the sent files inside "smart folders" in the profile, with no luck.

Older details here: https://support.mozilla.org/en-US/questions/1363781

My friend has been using Thunderbird for a long time. Recently I installed her new PC and restored her account profile using the profile folder on her old PC. So far so good. The problem is that her mails are not organized in folders on the mail server but she has a whole collection of folders in her Thunderbird mail client and is concerned about loosing her mails if the new PC (or the disk) would crash at some point. Of course she could just re-install Thunderbird after fixing the crash problem and sync with the mail server, but then the folder structure would be lost. First I considered using a back-up program to keep a back-up of her Thunderbird profile using cloud storage. My second thought (should have been my first thought...) is that she already has a back-up, namely the mail server. The ISP does a better job than any local back-up program to keep her mails safe. Only the missing folder structure remains a concern. So here is the question: if I change the setting to sync all folders with the mail server, what will happen: 1 - the folders in Thunderbird will disappear (only the folders, not the mails) because there are no folders on the mail server 2 - the folder structure from Thunderbird will be mirrorred on the ISP's mail server. Which one is it?

In the past, I had followed this post and created the userChrome.css file so that when I have my emails shown in Table View, if one email within a thread is unread, the whole thread is collapsed, but the subject line remains in bold.

With this latest Thunderbird update to version 115.13.1 I have lost the functionality; now the subject line of the collapsed thread shows as underlined. How can I go back to my preferred bold view?

Thanks

Yesterday I tried the 115 (Supernova) and I was disappointed because of the toolbar on top of the TB window: I think that you should let the user choose where put any toolbar, and I didn't find the way to move in its "classical" place (not at top but below the menu). There is a way to do it? And if not, please consider to give it as soon as possible.

On 30 May, you may lose access to apps that are using less secure sign-in technology

To help keep your account secure, Google will no longer support the use of third-party apps or devices which ask you to sign in to your Google Account using only your username and password. Instead, you’ll need to sign in using Sign in with Google

Can I upgrade my Thunderbird 115.3.1 from 32 bit to 64 bit?

My Thunderbird has recently automatically updated to V115.3.1 but remains 32 bit. When I go to the Thunderbird download page there doesn't appear to be a choice of version.

My thunderbird works okay, but when I select emails from imbox folder to delete it takes too long. I researched to find the problem and the only option I found was to add an exclusion to the profile folder on my windows security antivirus. Now I can select emails from the imbox and delete them without a problem, but my concern is if I will be vulnerable to virus.

After updating Thunderbird to the new version 91.9.1, most of my email messages disappeared.

An error message was displayed after updating to the new version. Thunderbird restart chashed and I started the program again, just to noticed that the messages were not anymore in the folders.

How can I recover my messages?

Andy

Gmail refuses to allow Thunderbird to connect as it is "less secure" app. I used to have access using a "app password" but now even that does not work. Microsoft will be doing something similar this fall. So ThunderBird will not be able to work with Microsoft or Google mail servers. I installed OWL as a temporary work around, but I have multiple email accounts on several domains, and "ModernAuth" seems to use a web access and cookies, which means only ONE email address per domain can be used. What is the work around?

I'm migrating to a new computer and from Windows 10 to W11. I have successfully exported/imported the contacts using the export tool, but cannot figure out how to ex/im the calendar. I am using a SanDisk drive to move the files. Both systems have TBird 102.1.2 (64-bit).

Please give step-by-step instructions to do the calendar (only) ex/im. I do not use the Mail feature.

My mom's version of Thunderbird is crashing a lot on exit. She's running the latest version of Linux Mint as OS. What is going on with this crash and how can we prevent it?

AdapterDeviceID: 0x0106 AdapterDriverVendor: mesa/crocus AdapterDriverVersion: 22.0.5.0 AdapterVendorID: 0x8086 Add-ons: google%40search.mozilla.org:1.0,amazondotcom%40search.mozilla.org:1.1,bing%40search.mozilla.org:1.0,ddg%40search.mozilla.org:1.0,wikipedia%40search.mozilla.org:1.0,default-theme%40mozilla.org:1.2,langpack-en-GB%40thunderbird.mozilla.org:91.0buildid20220628000715,langpack-en-CA%40thunderbird.mozilla.org:91.0buildid20220628000715 AvailablePageFile: 56758272 AvailablePhysicalMemory: 121081856 AvailableSwapMemory: 4186173440 AvailableVirtualMemory: 1174671360 BuildID: 20220628000715 ContentSandboxCapabilities: 119 ContentSandboxCapable: 1 ContentSandboxLevel: 0 CrashTime: 1661903862 DOMIPCEnabled: 1 DesktopEnvironment: mate FramePoisonBase: 9223372036600930304 FramePoisonSize: 4096 InstallTime: 1659837862 IsWayland: 0 MozCrashReason: MOZ_CRASH(Shutdown hanging after all known phases and workers finished.) Notes: Linux Mint 21FP(D00-L1000-W00000000-T000) WR? WR+ OMTP? OMTP- libGL.so.1? libGL.so.1+ GL Context? GL Context+ ProductID: {3550f703-e582-4d05-9a08-453d09bdfdc6} ProductName: Thunderbird ReleaseChannel: release SafeMode: 0 SecondsSinceLastCrash: 17313 ShutdownProgress: xpcom-shutdown StartupCrash: 0 StartupTime: 1661900719 TelemetryEnvironment: {"build":{"applicationId":"{3550f703-e582-4d05-9a08-453d09bdfdc6}","applicationName":"Thunderbird","architecture":"x86-64","buildId":"20220628000715","version":"91.11.0","vendor":null,"displayVersion":"91.11.0","platformVersion":"91.11.0","xpcomAbi":"x86_64-gcc3","updaterAvailable":false},"partner":{"distributionId":null,"distributionVersion":null,"partnerId":null,"distributor":null,"distributorChannel":null,"partnerNames":[]},"system":{"memoryMB":3820,"virtualMaxMB":null,"cpu":{"extensions":["hasMMX","hasSSE","hasSSE2","hasSSE3","hasSSSE3","hasSSE4_1","hasSSE4_2"]},"os":{"name":"Linux","version":"5.15.0-46-generic","locale":"en-US"},"hdd":{"profile":{"model":null,"revision":null,"type":null},"binary":{"model":null,"revision":null,"type":null},"system":{"model":null,"revision":null,"type":null}},"gfx":{"D2DEnabled":null,"DWriteEnabled":null,"ContentBackend":"Skia","Headless":false,"EmbeddedInFirefoxReality":null,"adapters":[{"description":"Mesa Intel(R) HD Graphics 2000 (SNB GT1)","vendorID":"0x8086","deviceID":"0x0106","subsysID":null,"RAM":0,"driver":null,"driverVendor":"mesa/crocus","driverVersion":"22.0.5.0","driverDate":null,"GPUActive":true}],"monitors":[{"screenWidth":1366,"screenHeight":768}],"features":{"compositor":"none","hwCompositing":{"status":"available"},"gpuProcess":{"status":"unused"},"wrQualified":{"status":"available"},"webrender":{"status":"available"},"wrCompositor":{"status":"blocklisted:FEATURE_FAILURE_WEBRENDER_COMPOSITOR_DISABLED"},"wrSoftware":{"status":"available"},"openglCompositing":{"status":"available"},"omtp":{"status":"broken"}}},"appleModelId":null},"settings":{"blocklistEnabled":true,"e10sEnabled":true,"e10sMultiProcesses":8,"fissionEnabled":false,"telemetryEnabled":false,"locale":"en-US","intl":{},"update":{"channel":"release","enabled":true,"autoDownload":false,"background":false},"userPrefs":{"browser.cache.disk.capacity":1048576,"browser.search.region":"US","widget.content.allow-gtk-dark-theme":false,"widget.content.gtk-high-contrast.enabled":true},"sandbox":{"effectiveContentProcessLevel":0,"contentWin32kLockdownState":3},"addonCompatibilityCheckEnabled":true,"isDefaultBrowser":null},"profile":{}} TelemetrySessionId: 005b2f8d-19e8-4128-baf4-545bddbf06e6 ThreadIdNameMapping: 4740:"IPC I/O Parent",4748:"JS Watchdog",4750:"TaskController Thread #1",4749:"TaskController Thread #0",4762:"GLXVsyncThread",4766:"WRWorker#0",4768:"WRWorkerLP#0",4767:"WRWorker#1",4769:"WRWorkerLP#1",4814:"Breakpad Server",8745:"IMAP",8747:"Shutdown Hang Terminator", Throttleable: 1 TotalPageFile: 8192700416 TotalPhysicalMemory: 4005740544 URL: about:blank UptimeTS: 3143.70473289 Version: 91.11.0 useragent_locale: en-US

I think at some point I was able to send a private message. Or maybe it was just a reply to a private message that was sent to me. I remember something about clicking on a person's picture.

Thanks is advance for yoiur help. SweetTasha

When I delete 1 email, it happens quickly. When I delete 5 emails, it takes about 10 seconds. When I delete 40 emails, it takes 2+ minutes, when I delete 100+ emails, it takes 7+ minutes. What's going on? Seems to me emails, no matter how many I delete, should be deleted very quickly. What can I do to speed up the delete process?

TB 102.6.1 (64-Bit), macOS, DE locale

TB macOS with GUI on extras "Filter" edit lacks scrollbar in sub-window thus making amending / editing of filters almost impossible on the macOS GUI of TB. This mishap was introduced in TB 102.6.x only recently, I presume.

Please consider correct and fix asap.

Question: How to reasonably edit the textual config file for TB filters in cases like this?

Hi, I want to use Windows Task Scheduler to send command line emails via Thunderbird.

I have found only: thunderbird -compose "attachment='C:\first.txt,C:\second.txt'"

This works. But I also want to include email to, subject, text body and send.

I have tried options like Blat. Blat works but not with gmail.com as they block it. So with Thunderbird installed locally I may be able to work around the new gmail restrictions.

Many thanks.