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Spectrum said call Mozilla for support. They said call Mozilla.

Thunderbird on my old pc was working fine for a month. Had Microsoft on the line and they deleted my email account and added it again and Thunderbird can no longer connect to spectrum mail service. I tried to fix it and had it working going out(sending) but not receiving for a couple of hours but then started over and broke it permanently with login error from server and could not fix it after I screwed it up. So here I am.

Also, have new second pc and just loaded thunderbird and it gets same login problem. Also had Microsoft look at my new pc which has classic office home 2024 and m365 office 2024 but they could not get either one of them to work connecting to spectrum and get same login error. MS tried used my old pc because it was actually working and they added same setup there and they could not get it working.

Gmail works fine on all these programs mentioned above. Just talking to spectrum gets failed logon error which configuration, email name or password are wrong.

I am doing something wrong and cannot find the problem.

Can you help?

1. Recently, I'm not receiving any more new emails on this computer. What is causing this? Please help me solve this problem. 2. I just received a notification that Mozilla will shut down Pocket's services on July 8, 2025. I'm not sure that I utilize this service. Thank you and I look forward to hearing from you. Best regards, Sheila Herman

I am using Thunderbird 138.0.2 (64-bit). I recently purchased a new Windows 11 computer. I installed Thunderbird on the new computer and copied all of my profile from the old Windows 10 computer to the new computer. When I set up an event in Calendar, Thunderbird no longer gives me reminders when I set up an event. I have tried uninstalling and re-installing Thunderbird, tried using Troubleshoot Mode, and ran the Config Editor to check Calendar settings. Nothing has worked. I am still not getting reminders. I would appreciate any help with this problem. Thank you.

Unable to receive new emails sending works fine. Receiving emails works with no security but do not wish to continue with this mode. No errors for ssl/tls, just doesn't receive emails. I tried switching to oAuth2 but no go either. Version: 128.10.2esr. This started on the 21st of May.

Hi,

I'm have a trouble where all of a sudden, Thunderbird stopped getting new messages, even when I click the 'Get New Messages' button. If I log into my Arvig webmail, I can see them, but Thunderbird isn't getting them. I can still send email, however.

I haven't changed any settings.

Thanks.

Dear Thunderbird, I am using version 128.10.2esr and I have noticed lately that in my Inbox the email From have all been given the same incorrect senders name. This usually happens to emails that contain an attachment How do I correct this ? Thank you. Regards. Steve Hawes.

Here are the error messages I get when trying to send or receive email. Note that I've been using Thunderbird for many years and the email addresses or settings have not changed in a long time.

Greetings. I'm using Thunderbird with SendGrid. I have three accounts I'm trying to send mail through. SendGrid uses a username of "apikey" and a long key as the password. I read the instructions here: https://support.mozilla.org/en-US/questions/1495483 which seems to suggest this is possible. I've set up accounts for each of the three and they all work as long as I don't save the password. When I save the password the smtp saved password is saved for whichever one I'm using. I can't seem to save all three. If I save one and then move to the next account, the old password is used.

Can anyone confirm if this is possible? And if so can I get some suggestions about what I may be doing wrong?

I've read several of the threads that suggest that most people go wrong when they select the smtp server. I have followed the directions to select from the Outgoing Server list at the bottom of the left pane. Each copy of the smtp server has a unique description. I suspect its because the username is the same for each one. Which is required by SendGrid. Thanks!

(1) Over the past year (maybe more?) folders move in Thunderbird seemingly by themselves. Which folders move is random. Then message filters don't work properly so the filter is unchecked until I move the folder back where it should be and reenable the filter. (2) Occasionally folders disappear completely, so I have to recreate and repopulate them. (3) Sometimes filters are disabled with no apparent cause. (4) More recently, Thunderbird filters can't find folders (though they appear to be in the correct place) so the filters also get disabled. Reenabling the filter doesn't help, and I have not found a workaround for this. Seems to be more and more frequent. (5) Yesterday whole folders were empty of messages that had been there the day before. One folder (on a W11) hasn't any messages for the last month, though on MacBooks the filter that feeds it is working OK.

I am not doing anything to cause this. I suspect it is a setting that either Mozilla or Comcast or Microsoft has changed. What can I do to stop this without having to switch to a different email system entirely?

I can't close TB. It is frozen in the midst of trying to compact files. This is the error message:

"Compact folders (Not responding) Thunderbird needs to do regular file maintenance to improve the performance of your mail folders. This will recover 685 MB of disk space without changing your messages. To let Thunderbird do this automatically in the future without asking, check the box below before choosing ‘Compact now’."

My husband and I had the same problem with our laptops not loading emails, saying it doesn't have sufficient file space. I fixed his by deleting a lot of files and then compacting the remainder. BUT - this isn't working for mine. In the process of trying to compact files, it froze and I can't figure out a way to close it and try again.

Any help appreciated! Thanks.

I had a computer crash and needed to rebuild the system. I had a copy of my profile (Joe) on a backup drive. In the old versions of TB I would just copy the files (.mozmsgs, .msf and .sbd) in "Joe" to the new directory. That no longer works as far as I can tell. The import function does not work either. The strange thing is when TB opens, I can see all the folders for a split second before they disappear. I'd really like to get back all my saved emails. And no, they are not on the server as these are from multiple old email accounts. Thanks.

I am pestered by emails which I don't want, I have tried setting up filters but some do not seem to work as the emails are not deleted before going into my Bulk folder. One of the most persistent ones is [email protected], which is something I do not use. How can I stop all these spam (fraud) emails for once and for all, please put it in simple language as I am not very computer savvy.

Geoff

Running Thunderbird V130.0.2 64-bit on Win 11 Pro. I have several profiles, mostly on Gmail. Yesterday I had to change all of my email passwords. I was able to change passwords on Thunderbird for all but one of the Gmail accounts. I still don't understand why I had this issue with one Gmail account but not 2 others. Eventually I deleted the profile in question and created a new profile (same Gmail email address / account).

Which was fine but in doing this I lost my local email folders. I have all of the email folders and I tried just moving them from old profile to new one. This worked fine for local folders (at least the ones I tried) but not for nested folders. The support I've found so far tells me how to move the entire profile, but that doesn't work (I run into the same password problem as I did yesterday).

Is there a way to tell Thunderbird about these nested local email folders so they will be found upon Thunderbird startup? I haven't found it yet.

My local email folders are found here: C:\Users\<Windows Account>\AppData\Roaming\Thunderbird\Profiles\<Thunderbird profile>\Mail\Local Folders

Thanks in advance.

Ran your update today. Thunderbird has completely disappeared. The shortcuts no longer work. When doing a search in Explorer I find a Thunderbird folder in C:\Programs. There is no file named Thunderbird there and the three exe files either do noting or complain that something is missing.

I am now missing literally thousands of emails.

I have received two emails from Spark wanting me to switch my email to their program. I hope you can fix this screw up because if you do not I will switch my email to Spark and make my default browser Chrome. I do not support companies that do what you just did. Completely unacceptable.

Windows 10 Home No info on Thunderbird because you messed up and I can't run it.

Hello For more than 15 days, I have had a temperature >90°c for a long period. I've reinstalled my system but I'm still experiencing the same problem. I have a simple use from internet applications: firefox, thunderbird, agenda, joplin in their latest versions. I installed the latest version of the bios but it didn't improve the situation much. I've installed the latest standalone versions of Firefox, including thunderbird 138.0.2 (64 bits).

At each launch, I have a sudden increase in cpu (which resets after 20 to 30s) and the temperature doesn't drop much below 90°C. I've noticed the same thing with Firefox, but I'm posting here because if I'm not active on the PC, I still connect to my numerous mailboxes periodically. If I close my applications and do nothing, it goes down again after about 30 minutes. As this is a new configuration on the latest Ubuntu 25.04 version, I wonder if there could be a problem with TB or Firefox?

My processor : Intel Core i3-1115G4 (Dual-Core 1.7 GHz - 3 GHz / 4.1 GHz Turbo - 4 Threads - Cache 6 Mo) - RAM = 32go

Regards