Thunderbird Support Forum

I am using Thunderbird 115.5.0 and have been suffering double line spacing since I upgraded to this version. I can fix it on a on a per session basis, but when the programme is closed, it defaults to double space again. May I ask when this bug is going to be addressed please? Thanks John.

I have been using three email accounts on Thunderbird, all for a long period of time, and all without any issue. Recently the one listed below has not been backing up, and I receive this message. I am not techie at all, so any response needs to be dummy down to a 5th grader level. Thanks!

"Non-overridable TLS error occurred. Handshake error probably the TLS version or certificate used by server mail.q.com is incompatible."

I set up a new computer, windows 11, and downloaded the latest version of Thunderbird. On the old computer the spam filter works normal, on the new computer Thunderbird puts a lot of normal mail in the spam folder. Is there a way to set the spam filter to not flag so many emails. I use gmail for my mail server. My iphone also uses the same gmail account and does not filter these messages

With the moving of Cox emails to Yahoo would it be feasible for Thunderbird to put an instruction list(with screenshots) of how to get all our TB email accounts from Cox to TB? Do we have to delete all our TB email accounts and re-enter them into TB under the new Yahoo or can we just change the server settings on the existing Cox settings? If just changing server settings what are the settings for the new yahoo? All my accounts are IMAP so if instructions could be made, maybe one for IMAP and one for POP for those who use either. Thank you

Running 115.5.0 and want to export my contact list to be able to use it in a spreadsheet. The export function in the Tools dropdown only allows for export of "accounts, messages, address books and settings to a ZIP file." What happened to the ability to export just the address book separately to a csv file? Please help. Thank you.

I have a cannon mf455-dw that is suppose to open the email client when you scan to email and attach the file. When it goes to open Thunderbird it fails. Is this common and is there are work around for this?

I just got malwarebytes vpn for cyber monday and now thunderbird isn't working unless its turned off.

I've already added TB to bypass the VPN, I've added the ports 587, 993, 465 to bypass the VPN as well - and nothing works until I turn the VPN off.

Its not just fetching emails when I try to check for updates it'll just never complete the task and just spin forever

am I missing something else?

Thunderbird says login to server outbound.att.net with username elsprogram@att.net failed. How do I get it to send my email?

spent a long time typing a complex mail, and due to the way the new version (115.5.0) does things, the outgoing address had a . on the end of it that wasn't visible, because it was obscured by a note that the send address wasn't in the address book, For years, I've had used BCC to get a copy back into my inbox, but now, with this latest version, if the send fails, it also doesn't forward the copy, so a mail that took over an hour to create is now lost due to the failure of the system, before now, a fail due to invalid address returned the item, so at least the body of the mail wasn't lost.

NOT impressed, this means I now have to change my system in order to not lose items by using the BCC option, it meant I knew that the server had processed the mail, now, I've no way to be sure it has truly been sent.

Ever since the last "upgrade" which is terrible I get my emails in threads. Does anyone know how to get rid of the stupid threaded messages? I've tried everything. All I want is emails to be listed in the order I received them. I DO NOT WANT THREADS

I am currently on Thunderbird v115.5.0. Ever since v115 came out I am unable to make my Inbox stay unthreaded. I set View / Sort By / Unthreaded and it works for a while, but periodically when I delete a message, move a message, or a new message comes in the Inbox reverts to Threaded view. This is absolutely maddening, as I have to repeat this many times each day. Can anyone tell me how to make Unthreaded view stick on my Inbox? I'd like to stick with Thunderbird, as I've been using for almost 20 years, but I simply cannot continue to waste so much time on it.

iinet say its a Thunderbird issue. Removed email account and reinstated. Lost everything ! Dont want to try with other accounts. Same emails sent from Safari on phone work so seems to be Thunderbird. Started two days ago minimum Desperate !

Hello I'm currently in need of configuring all of the clients with the Root CA certificate needed to use our new proxy server. I've seen that Thunderbird uses its own certificate repository, but there is yet a configuration option for reading Windows machine's own store, called security.enterprise_roots.enabled . This could be the best option since my users work on shared windows terminal servers. Is there a way to deploy this setting to all users? (I haven't found a GPO template for Thunderbird with this setting) I think I could create a logon script to copy a default user.js to every profile folder, but I don't know where the system could read the profiles path (multiple for most of the users).

thanks

For the last few weeks emails in my inbox disappear after 2 weeks. Just from sues@getwell.org.uk and not from my other address sue.saunders@myphone.coop This is happening on all devices where I view emails - laptop, tablet, iphone and even when I go to the webmail on 123-reg where my getwell.org.uk domain is registered. I have talked with 123-reg and they can't work it out - said it must be something to do with Mozilla. Can you help please - there's info in those emails I need!! Many thaks Sue