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Can someone advise me on how to select the accounts to be normally checked and any other accounts not to be checked ie I have 4 accounts with different ISPs- A,B,C,D. When I press "Get Messages I only want it to get messages from A and C and not B and D. I know it can be done as my thunderbird installation does just that but I can not find where this was set up. Can someone enlighten me please

Ik gebruik al vele vele jaren Thunderbird (en Firefox). Gisteren 16 of eergisteren 15 oktober is er iets fout gegaan. Ik stel een mail samen. Wil de mail versturen maar ........ ik kan geen verzend 'button' vinden. Verder ..... kon je eerder in een werkbalk boven het bericht een spelling button vinden, ook dat is er niet. Wát is er aan de hand en hoe kan ik dit oplossen? Ik ben een absolute digibeet.

I've been using Thunderbird to access my Comcast email for two years now, without problems. Except yesterday & today, when I've been unable to send or receive emails, for no apparent reason. Yet, when I connect to my Comcast/Xfinity email via the Comcast browser website, sending and receiving of email works fine. This access problem began yesterday, 10/14/2025.

Same email address I've been using for about 20 years now, and same password. I made no changes to my Thunderbird or Comcast settings. Sending a test email to myself via the Comcast email website works fine. Clicking on the "Get Messages" icon in Thunderbird results in no action whatsoever. Sending a test message to myself in Thunderbird results in about a 40 second delay (usually it's 10 seconds), and then the error message "Login to server smtp.comcast.net with username don-peters@comcast.net failed." It then asks if I want to try again, but if I agree, the same error results. But there is also the option of "Enter new password". Click on that and the same error results, without even asking for a new password. But my password is OK, as evidenced by my Thunderbird settings and being able to log into Comcast browser email.

Yes, I've spent hours on the phone with Comcast on this issue, but they were of no help. One agent claimed that the issue was with Thunderbird, not Comcast, as its webmail worked fine. Two years ago, I had a similar problem I spent hours trying to solve. It turned out the problem then was due to Microsoft Outlook on my PC regularly trying to log into Comcast to ALSO download my email - BUT using the wrong password. Comcast interpreted these multiple failed login attempts as scammer attempts, and blocked ALL email logins from my PC. I fixed the problem by shutting down Outlook. But when I just spoke to Comcast they said the current problem was NOT due to my account getting blocked by them. But they couldn't give a reason for the blockage.

So, I now believe the problem lies with BOTH Thunderbird and Comcast. First of all, Comcast is somehow blocking my Thunderbird access attempts. But Thunderbird is also at fault for not reporting a SPECIFIC email login problem, so that we can address it - and fix it. If Thunderbird can be more specific as to why login attempts are failing, I can get back to them with the evidence - and hopefully solve the problem.

I've been using Thunderbird for about 30 years now, and I hate to give it up. But if this continues, I'll be forced to abandon Thunderbird.

Hi guys, I have problem with lost signature after adding recipient,

doesn't matter if is hmtl signature or just simple text, I wrote recipient or select him from my address book and after agree my signature is lost

My email signatures are not being applied to replies/forwarders but they are there for new emails. When replying you see the signature just for a split second then it disappears. I used a *.htm type signature.

On the 14th October all was working fine. On the 15th October they stopped appearing. So something happened between those two days.

Can you help? I've tried all the proposed solutions that were previously posted but nothing is working up to now. Thanks Mark

Using140.3.1 I have only one email address/account & it has worked happily with TB for several years, but recently all my incoming emails are marked as "this is a draft".

I cannot identify what has been changed, that could cause this, nor can I find a solution on line. Some similar problems have been indicated, but without resolution

I have noticed that when in "All folder" view there is no draft folder showing in the folder pane, but when in "Unified folder" view there is a drafts folder shown In this UF view, the received messages in the "inbox" are displayed and the same contents also appear in the drafts folder. ( But duplicated; Both folders show the same message count number although the actual number in the drafts is double that in the inbox).

Any suggestions would be welcomed, & thanks for reading.

Several users at our office are getting send message errors, with outbound error code 207. A screencap is attached. Repeated tries will eventually go through. Is anyone else experiencing this today?

I cannot download e-mail from Mozilla Thunderbird. It says "Done" in the lower left corner and will not download when I hit the Get Messages key in the upper right corner. Please help me to be able to download my email.

For account dhoule@formatio.info I have following folders: Courrier entrant Brouillons Modèles Messages envoyés Tous les messages Spam Corbeille Important Suivis

When I receive a message, it goes into Courrier entrant, Tous les messages and Important How can I stop this behaviour (or how can I reduce the number of folders under this account? Merci Daniel

Hello, I sent the message below last evening and someone named "Ed" replied. Thank you Ed. When I tried to "reply" to his/your question/email, I immediately got a bounced back email as "no-reply@support.mozilla.org" could not be found. Also, in my original question I said that I'm not "computer illiterate"; apparently I am as I don't know how to reply to his question. Please include info on how I can respond. So, I'll start all over by sending my original question:

Hello, Attached are the messages I have been receiving ever since 6 October 2025. I've tried to read about fixing these myself, to no avail. (I mean, I can Read; I just can't fix this.) I've tried to Compact ALL folders individually. But that seemed to do nothing. (Before 6 October, the Thunderbird window would at least "flicker" a little after compact.) Trash is empty. Tried disabling McAfee AntiVirus & Firewall. And, no, this isn't happening because I'm using McAfee; I've been using McAfee since Windows XP and Thunderbird since before it "broke away" from Mozilla. They have, until 6 October, played nice together. I really like Thunderbird so I do not want to find another email client/program/what-have-you. There are LOTS of saved emails that I cannot move/copy to "save space", so...Help? Please?

Thanking you in advance, tonyg

P.S.-I am not computer illiterate. But, slow, easy to follow, non-BIOS changing, step by step directions would be preferred.

I am thinking of going back to Thunderbird as my e-mail program (I currently mostly use Apple Mail). I have several e-mail accounts. On my personal Gmail account, only a handful of sent messages are showing up in the sent mail folder. On another Gmail account and on my business Google Workspace account, I do not have that problem; as best I can tell, all the sent messages are there. I would appreciate help in fixing the problem on the main Gmail account that I use for personal matters.