All Products Community Forum

Thunderbird not connecting to server. It says timds out and an error occurred connecting to mobile.charter.net. I can neither send or receive emails. This started 8/20/2026

Since I was upgraded to Thunderbird 155.0 64 bit (Meadow) snap version on my Ubuntu version 24.04 all incoming messages are going to my spam folder. I copied my old Thunderbord profile to my snap thunderbird folder to retain folders, settings etc. and although everything else works, my incoming mail is still going directly to spam. I have unchecked the 'enable adaptive spam' check box and also 'trust junk mail headers' box. I have run repair on my inbox and also the spam folder. I checked my mail server and the mail is not marked as spam there... Getting tired of manually moving messages from spam to my inbox several times a day...... Help!

I had multiple tab groups which I had chosen to save and close. These tab groups have now completely disappeared and I cannot find them. When I began using Tab Groups, I had checked and there was no information stating that unopened tab groups would be deleted. I want these groups back. If I had known Tab Groups would disappear, I would have saved my tabs into a folder. The only Tab Groups that show up now are under "Recent tab groups". If tab groups are going to be deleted after a set period of time, it should be stated clearly in the tab group settings. It would also be really useful to archive them into a bookmarked folder so people don't unexpectedly lose hours of research.

I'm new to the community and don't really know how things work, so maybe this is the wrong place for this. I had a seemingly catastrophic problem after updating yesterday. All of the emails sitting in my inbox disappeared, and were gone from the yahoo server as well. Long story short, I figured out what happened. In my filter rules I sometimes had a blank entry at the end of the list. Previously that had been ignored, but after the update it is now treated as a match. So the first filter that had a blank in it caused everything in my inbox to be moved to a certain folder in my Local Folders. Obviously, it would be legitimate to not allow blank entries in the filters, but once you've allowed it, you really shouldn't make a change. In the end the solution was simple, but it wasted a fair portion of my day figuring it out.

Lately I am seeing duplicate folders in Thunderbird when connecting to gmail. Does anyone know why/how to clean this up?

The folders shown in Thunderbird don't match what I see in Gmail. Attached are images of both views. Why are "Spam" and "Send" duplicated?

Thanks,

-Joe

Basically every time i play a livestream on YouTube, it lags a lot/constantly buffers and when i play it, when i press the live button to go to the livesteam's current time i guess. It just goes back to the previous time in the stream and idk how to fix it. Basically i disabled ublock origin & it still has issues on mobile =( also it sometimes happens on PC but mostly with ublock on. Unfortunately i can't screen record on mobile

Since 26 August I have not received any emails! I am able to go to my browser & see all my emails so I think fault must be with Thunderbird!

Help please..

I installed a Mozilla/FF GMail Notifier App. I tho't that I removed it as I no longer needed it. It still Notifies me; annoying. But it's not in my Extension List to Remove again if need be??? How can a hidden/invisible App be still operating, that is supposed to be Removed?

Since Mozilla/FF has no option to Delete a Question, I found the answer to the above posted. MY error: It was a Google Linked App, not the one I Removed which did indeed become Removed. Sigh!

Hi, in the vpn buil't in, it's not possible to change location (on Firefox android) however in the help that's indicated it should be, did I miss something ? thank you

It was working fine until the day before yesterday. The volume of the speaker got low before it stopped working. The PodCast and Vimeo are working fine. So it is not the problem of my computer speaker.

Since some time late last night (so about 16 hours ago at most), my Thunderbird account started processing filters incorrectly on incoming emails. A number of legitimate emails were detected by filters I had set up, and deleted, although they did not appear to meet any of the criteria I put in the filter. On editing the filters, I did find some with a criteria active on the 'from' address, containing, and with a complete blank in the text box. I am not sure if this meant they were picked up by the rule, but I deleted all lines with blanks in them. Following this, some emails were still being processed as meeting the criteria of the rules, although they did not. It does now appear to have settled down, but instead, messages that I personally deleted, are not appearing in the 'deleted emails' folder until after I close down Thunderbird and re-open it again. (which is a little confusing, but I am coping). At this point I do not need any assistance, so long as this strange behaviour stops happening, but I was trying to work out if it was something in my Thunderbird programme awry, or something at the mail server, and I have not been able to confirm either, so thought I ought to let you know. I usually install Thunderbird and Firefox updates as soon as they are available when the programme notifies one is available. I do like the appearance and function of Thunderbird, and appreciate what you do - Thankyou. Best wishes, David Church

Since all these problems arise on Facebook only, my assumption is that there may be some underlying connection between them. So I'm not just lazy, please bear with me.

Facebook doesn't do attribution properly when sharing a post in mobile Firefox for Android. When attempting to do it manually, the correct suggestions disappear almost instantly if they show up at all, and are replaced by people I have no connection to whatsoever. The keyboard covers comments and posts whilst writing them, when it doesn't disappear for a while. The page might get reloaded at any time during composition, throwing you out to the main page willy-nilly, losing all you'd been writing.

Whenever I turn the free 50GN Firefox VPN on, regardless of the set VPN location, my connection immediately cuts. I've tried refreshing Firefox, raising and lowering my security and DNS over HTTPs settings, clearing DNS cache, and updating Firefox, but none of these attempts fixed it. I can tell its the VPN since everything will load again after I turn it off.

When I had my DNS over HTTPs set to default, it used to say I was connected to cloudflare, but after trying the VPN with it set to off or custom, it now says "DNS over HTTPs is off" when set to default. When I turned on the VPN while the default setting was on, it gave me an error message regarding cloudflare that I can't remember or recreate now that the "DNS over HTTPs is off" at all times. It will only say I'm using cloudflare on the custom setting.

I had a similar issue to this issue a couple months ago, but I resolved it by putting my security settings to default. This time, it seems to be a bit more complex than that.

Hello, Since this morning after an update of firefox the history is lost and my personal bar where I stored my bookmarks is empty now after applying version 155.0.1 the problem is still alive Help Please

Hi Mozilla team,

I’d like to report a serious issue with Firefox lately. The browser has been performing very poorly and frequently becomes “Not Responding.” In many cases, websites fail to load properly or get stuck indefinitely, even though my internet connection is working normally.

I’m experiencing these issues on the latest version of Windows 11 with the latest version of Firefox. This has become quite frustrating and significantly affects my daily browsing experience.

I hope the Firefox team can investigate these stability and website-loading issues and provide a fix soon. Firefox used to be much more reliable, but recently the overall experience has been very disappointing.

Thank you.