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Cannot send or receive GMail messages in Thunderbird

Good afternoon I have 2 accounts in Thunderbird - a gmail and a Yahoo. Both were running great from the time I set up Thunderbird about 2 weeks ago until yesterday when t… (pročitajte više)

Good afternoon I have 2 accounts in Thunderbird - a gmail and a Yahoo. Both were running great from the time I set up Thunderbird about 2 weeks ago until yesterday when the gmail account stopped sending and receiving. The Yahoo account is still fine. I have not received a message in Thunderbird in my gmail account since, although I have logged in on the web and confirmed that there are incoming messages in my account.

When I attempt to send a message from the gmail account I receive an error message - "Add Security Exception". If I click "View" nothing happens. If I click "Get Certificate" the section "Unknown Identity" changes to "No Information Available". However, when I cancelled the message I noticed a new error message appeared - "Send Error Message" and when I returned to the main Thunderbird screen I noticed a new tab appeared "Certificate for smtp.gmail.com".

As you can imagine, I seem to be getting nowhere with this and as I am only an intermediate user with computers I don't know where to go next. Subsequently, I sincerely hope that someone out there is able to help me. Any assistance would be very much appreciated.

The following are my Thunderbird settings for the gmail account :- Incoming Server Server type : IMAP Mail Server Server name : imap.gmail.com Port : 993 User name : [myname]@gmail.com Connection security : SSL/TLS Authentication method : OAuth2

Outgoing server Description : Google Mail Server name : smtp.gmail.com Port : 465 Connection security : SSL/TLS Authentication method : OAuth2 User name : [myname]@gmail.com


A copy of the error messages as well as the Certificate are attached.

Asked by Mike Flint prije 1 dan

Answered by Matt prije 1 sat

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Thunderbird won't allow access to "live.thunderbird.net" or "addons.thunderbird.net".

I have just completely reinstalled Thunderbird v115.11.1 after uninstalling the previous installation. There are two problems, possibly linked to a faulty or missing set… (pročitajte više)

I have just completely reinstalled Thunderbird v115.11.1 after uninstalling the previous installation. There are two problems, possibly linked to a faulty or missing setting.

Remote images will not display, even after specifically enabling remote images for each email, or after turning on "display remote content" as a default. Also it claims there is a potential security threat with Thunderbird's own web addresses: "live.thunderbird.net." and "addons.thunderbird.net.".

I have attached screen-shots of the error messages, and of a thunderbird email that fails to display its images.

Asked by Andrew Hunt prije 23 sati

Answered by Matt prije 5 sati

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Security Exception Error on 1 PC, not on other

My wife & I have the same PCs running Windows 10 & Thunderbird 115.11.0 (32bit). We have a hosted web-site that also supports email, and we each have an email ac… (pročitajte više)

My wife & I have the same PCs running Windows 10 & Thunderbird 115.11.0 (32bit).

We have a hosted web-site that also supports email, and we each have an email account (eg neddy@goon.com.au & minnie@goon.com.au). I've checked that both our POP server configurations are identical but despite that about once a week minnie@goon.com.au receives a warning to add security exception but neddy doesn't. This started happening two weeks ago after a years error free running.

The host has checked that goon.com.au has a valid SSL certificate, so what could be causing the discrepancy and how do I set about fixing it please?

Asked by mike741 prije 2 sedmica

Answered by mike741 prije 5 dana

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How to delete Thunderbird offline email storage

I always use Thunderbird online so no need for offline storage. When I installed Thunderbird, online storage was set on for all accounts. I've since turned this off, but … (pročitajte više)

I always use Thunderbird online so no need for offline storage. When I installed Thunderbird, online storage was set on for all accounts. I've since turned this off, but would like to recover the disk space. What Windows folders can I delete? Thanks.

Asked by apesbrain prije 14 sati

Answered by david prije 12 sati

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Messages saved to one folder in Local Folders is missing all messages older than 2/14/2014

I am using Thunderbird in Windows 11 on an Intel NUC 12 computer. I am using Thunderbird in pop mail for gmail.com and mail.com. I save all important messages daily to F… (pročitajte više)

I am using Thunderbird in Windows 11 on an Intel NUC 12 computer. I am using Thunderbird in pop mail for gmail.com and mail.com. I save all important messages daily to Folders in Local Folders. Today I attempted to look for messages in one folder named Family and Friends and found that messages older than 2/14/2024 are missing. I checked other folders and found that they seem OK with messages going back 5 to 10 Years. I tried running repair but nothing changed. Any idea where these files can be? I do have backups of the app data for Thunderbird and am considering to try a prior version but I'm afraid I might lose new saved messages. If I tried to Archive messages, could this be the problem? I have looked in Archive and found very little. Any help would be appreciated. Frank

Please ignore this question. I found my older messages.

Asked by Franklin.Siegrist prije 10 sati

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TB incoming message going immediately to Junk before I can read it. I've got it whitelisted on my server

There is one correspondent whose emails come in, flash on the screen for a second and then disappear. I find it in Junk. I've got the email addres whitelisted on my provi… (pročitajte više)

There is one correspondent whose emails come in, flash on the screen for a second and then disappear. I find it in Junk. I've got the email addres whitelisted on my provider's filters. How can I intercept this process. It's only the one address. So far. Can I whitelist address on TB? I've got it set to not intercept anyone in my address book and this address is definitely inmy address book.

Asked by linda130 prije 14 sati

Answered by linda130 prije 11 sati

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TB how to delete the 'default' setting on one account (yes, yet again!)

Not so newbee here. Very long career in S/W, but 20 years as a Luddite so now trying to catch up. 3 gmail accs - all good. 3 hotkey accs - receive ok, but cannot send -… (pročitajte više)

Not so newbee here. Very long career in S/W, but 20 years as a Luddite so now trying to catch up.

3 gmail accs - all good. 3 hotkey accs - receive ok, but cannot send - broken recently. These old legacy accs were taken over by iPrimus but are still visible/SameSameBroken at hotkey webmail.

1 of the 3 hotkey is set to Default. It is MORE broken than the other 2. How do I remove this Default? I will choose a gmail account to be the Default. But how exactly do i unDefault the hotkey acc.

No, I don't need nor want, to use iPrimus pop/smtp settings. Yes, the broken hotkey smtp issue is probably no biggy - just work in hand.

Thanks for any assistance... I see this thread is very busy. ps, I remain committed to the goals of Open (free) Software. If only the worldview was as committed, how good it would be for everyone!

Asked by Rod Bruce prije 23 sati

Answered by david prije 17 sati

  • Riješeno

Why does CSV import ask for an address book FILE to be chosen from a file dialog?

I have created an entry in my Personal Address Book. When I am in that address book I click on the Import tab. I select CSV file. It provides me a File Dialog to select m… (pročitajte više)

I have created an entry in my Personal Address Book. When I am in that address book I click on the Import tab. I select CSV file. It provides me a File Dialog to select my CSV file. But then it provides me with a File Dialog to select an address book file. The address book I want to use is the one I am currently "in" in the program. But if I for some reason I wanted to import into another existing address book, I should either have to get "in" that one, or it Mozlla Thunderbird would list the address books it knows about as a selection.

It appears I am supposed to select the file that Mozilla Thunderbird created somewhere. From a search it appears (this is on Windows 11) from the App Store that is somewhere in ..\AppData\Local\MozillaThunder.MZL_h<numbers and letters>\LocalCache\<Roaming | Local>.

I don't understand why I am choosing a file that is already open in Mozilla Thunderbird?

Asked by simonsdash prije 1 dan

Answered by Matt prije 1 dan

  • Riješeno

How to set event timezone in calendar?

I am using Thunderbird Supernova and am pretty happy with it. However, I cannot figure out how to specify a different time zone than the system timezone when creating an … (pročitajte više)

I am using Thunderbird Supernova and am pretty happy with it. However, I cannot figure out how to specify a different time zone than the system timezone when creating an event. For example, if I just bought a flight that departs at 4PM London time and I am in Miami when creating the event, how can I create this event without having to convert that time to my current time?

Surely this is possible but I can't figure out how. Thanks for any help!

Asked by spam38 prije 3 mjeseci

Answered by spam38 prije 3 mjeseci

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Large draft message GONE

I was in the middle of generating a long "reply all" to a message and wanted to jump to a new page when it would be printed. I absent-mindedly hit Ctl-Shift-Enter and the… (pročitajte više)

I was in the middle of generating a long "reply all" to a message and wanted to jump to a new page when it would be printed. I absent-mindedly hit Ctl-Shift-Enter and the entire window disappeared and there was nothing in Drafts! Ctl-V just restores the last thing I added to this very long reply! I had been working on this for 90 minutes, doesn't Thunderbird continually update Drafts while working on a long email?

Asked by jpetzing prije 1 dan

Answered by Matt prije 1 dan

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Security risk - "Thunderbird detected a potential security threat"

I opened Thunderbird this morning and there were no issues. Closed it and just now reopened and I'm getting this message: Thunderbird detected a potential security thre… (pročitajte više)

I opened Thunderbird this morning and there were no issues. Closed it and just now reopened and I'm getting this message: Thunderbird detected a potential security threat and did not continue to live.thunderbird.net. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details.

It downloaded 28 emails but will not let me see/access them.

Can anyone help? Thanks, Linda

Asked by sunapeedog prije 2 mjeseci

Answered by sunapeedog prije 2 mjeseci

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cannot reply to emails

Hi,I have 4 email address & my Default Email is ismda3@westvic.com.au(on SMTP) Regardless which email I TRY to REply to.I receive the Samr Message See attachment I am… (pročitajte više)

Hi,I have 4 email address & my Default Email is ismda3@westvic.com.au(on SMTP) Regardless which email I TRY to REply to.I receive the Samr Message See attachment I am getting very desperate Thanks Darryl

Asked by smithassoc prije 1 sedmicu

Answered by smithassoc prije 6 dana

  • Riješeno

O365 Folder Sync: TBSync

I've installed TBSync with Thunderbird and my O365 calendar is now syncing. However, my email subfolders are not fully updating. I have a # of subfolders I've created… (pročitajte više)

I've installed TBSync with Thunderbird and my O365 calendar is now syncing.

However, my email subfolders are not fully updating.

I have a # of subfolders I've created in O365 but they aren't appearing in TBSync in order to choose them to sync in Thunderbird. I am getting some (what I would call 'standard') subfolders in TBSync to choose such as Contact, Calendar, Tasks, and some other email accounts I have 'sync'd' into O365, but none of the actual email subfolders for the O365 account itself (i.e. 2024 Financials).

In Thunderbird, the only folders I see to sync (Synchronization & Storage > Advanced)are: Inbox, Draft, Sent, and Trash

What am I doing wrong or missing?

Asked by Eric Gombrich prije 1 dan

Answered by Eric Gombrich prije 1 dan

  • Riješeno

duplicate emails

I see that others have had the same problem as me. My trash folder has many thousands of duplicate emails. If I block delete them it will take days to complete. So 3 ques… (pročitajte više)

I see that others have had the same problem as me. My trash folder has many thousands of duplicate emails. If I block delete them it will take days to complete. So 3 questions 1. How do I stop duplicate emails in my trash. After deleting many reappear with the date 01/01/1970 2. Is there a faster way of deleting. I use select email>shift key>find last email>delete 3. Is there a limit to how many emails I can put into the block mentioned in #2

Image attached at

link text

Asked by keithinoz1 prije 4 mjeseci

Answered by keithinoz1 prije 4 mjeseci

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files named "...-1" in imapmail : why, how to avoid ?

Hi Windows 10 64bits - Thunderbird 115.11.1 (but same happens with Linux Mint 21.3 Cinnamon). It is the 1st time I ask in this forum, so I hope I respect the rules... "So… (pročitajte više)

Hi Windows 10 64bits - Thunderbird 115.11.1 (but same happens with Linux Mint 21.3 Cinnamon). It is the 1st time I ask in this forum, so I hope I respect the rules... "Sometimes", in my e-mail "imapmail" sub-folders, "some" files with an added "-1" appear ("draft-1", "sent-1" , ...). They are always newer (modification date) than the file without the "-1". What are they ? Why create a "-1" that consumes space, and not over-write the existing files ? Is there a parameter somewhere in TB to avoid this behaviour (I closed TB, deleted them, but they "sometimes" reappear when I reopen TB ) ? Thanks in advance

Asked by Gilles prije 1 dan

Answered by sfhowes prije 1 dan

  • Riješeno

Unable to Add Gmail Account to Thunderbird 115.11.1 on macOS

Hi everyone, I'm having trouble with my Thunderbird app (version 115.11.1) on macOS. I'm trying to add my Google accounts, but after I attempt to connect them, I receive… (pročitajte više)

Hi everyone,

I'm having trouble with my Thunderbird app (version 115.11.1) on macOS. I'm trying to add my Google accounts, but after I attempt to connect them, I receive the following warning message: "Unable to log in at server. Probably wrong configuration, username or password."

I've checked the configuration multiple times to ensure it's correct. Here are the settings I'm using for Gmail:

Incoming Server (IMAP): Server Name: imap.gmail.com Port: 993 Connection Security: SSL/TLS Authentication Method: OAuth2 Username: [my email address]

Outgoing Server (SMTP): Server Name: smtp.gmail.com Port: 465 Connection Security: SSL/TLS Authentication Method: OAuth2 Username: [my email address]

I've also emptied all saved passwords and allowed cookies from sites without any exceptions. Is the version of Thunderbird I have still incompatible with Gmail? Or is there another issue that I might be missing?

Thanks for your help!

Asked by Marek Kouba prije 1 dan

Answered by sfhowes prije 1 dan

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I think the Linux Thunderbird is broken

installed Ubuntu 2404 on my acer laptop along with Thunderbird, added gmail email to Thunderbird and it fails to connect to google for their security check. popup when t… (pročitajte više)

installed Ubuntu 2404 on my acer laptop along with Thunderbird, added gmail email to Thunderbird and it fails to connect to google for their security check.

popup when trying to login to google to let Thunderbird access gmail.

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.

I think the linux Thunderbird is broken.

I have been through this google process with Thunderbird 3 times windows 10 and 11 and once on an android phone with no problems

Asked by Paul Lofthouse prije 3 dana

Answered by Paul Lofthouse prije 1 dan