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I get a message that I am unable to sent an email.

because

Login to server smtp.gmail.com with username mariegtirone@gmail.com failed.

Had to give up using Firefox because I can't open CenturyLink Email. Being told login does not match, but when I use the login on another browser, works fine. It does no good to change password as it will only open one time and then goes back to login does not match. I miss Firefox browser but must get to my Email. Help if you can! Jack Jackson

In the past you could only get notifications for the Inbox, which was nice when you'd use folders and server-side filtering to keep most emails out of your inbox. Please restore this option.

I have been using Thunderbird for many years and on my desktop PC the inbox display has never changed. I also have a laptop that has the email account that has the same display. Yesterday the laptop did some type of Window 10 update changes occurred. Many of my application icons disappeared and when I opened Thunderbird the screen layout had changed. There is only one column with massages and the cant be sorted by sender of date etc. Have you changed the program and, if so, why doe it not change on my desktop but become very inefficient on a laptop. Thank you.

David Ellis

I've spent many hours on this and please note I do not send many emails with attachments, maybe 1 every few months so I don't know how long this has been happening for as I also have noticed in the last year or more that sending just via Yahoo is getting slower in connecting to the server before sending.

W11 see Troubleshooting info as well.

Yahoo accounts 3, all will receive text and messages with attachments. All good. Yahoo accounts 3, all will send text only messages. No attachments. All good. Yahoo accounts 3 all will not send messages with attachemnts or inserted images. NOT good.

It only happens with Yahoo and not others such as Outlook or Google and only affects sending with an attachment.

I have tried troubleshooting tab and changing port number and a host of other things all failing. I have uninstalled Thunderbird and and deleted all %appdata% Thunderbird folders. I reinstalled Thunderbird and created just one Yahoo account with known credentials, no importing nothing. Just an empty account, and it automatically dowloaded confirmation, so account works. I tried sending a message with an attachment and it just kept trying to send for over 5 minutes. I cancelled it. I removed the attachment and clicked send, it sent within 30 seconds. I then did the same with an Outlook account and message with attachment sent within 5 seconds.

Error messages: When creating Yahoo account on completion I get a whole bunch of certificate warnings, about 5. I click accept. I also get the 'sending of message failed' 'This message could not be sent because the connection to Outgoing server (SMTP) timed out. Try again. Always fails unless I remove the attachment. I can also get no message as above after 5 minutes of waiting.

I'm at a loss, all others work except Yahoo.

I installed Thunderbird and typed in my Office 365 email information to connect my account. Thunderbird found the correct IMAP settings, which I verified on Microsoft's website. It proceeds to open a browser so I can authenticate my account. After that succeeds it starts downloading all of my messages & folders. I thought everything went fine until I attempted to send a message. I get the following error:

Login to server smtp.office365.com with username me@mydomain.com has failed.

It gives me the option to enter a new password, which doesn't make sense since it's oAuth2 but I created an app password to see if that would work, and it didn't. The only other options are cancel & retry which don't help either.

I thought maybe something went wrong with the authentication process so I uninstalled thunderbird and started again with the same results. I've tried many other server settings, but nothing works, so I'm here.

Current Settings:

Server Name: smtp.office365.com User Name: me@mydomain.com Authentication Method: oAuth2 Security: STARTTLS Port: 587

I've tried: Using Port 465 / SSL/TLS Using Port 465 / STARTLS Using Port 587 / SSL/TLS Changing Auth method to Normal Password and then using app-specific password. Uninstall / Resintsall

One final thing to note: I followed the same process with my fastmail.com account, which worked flawlessly. I can send & receive fine.

I have TB 115.15.0 on an old PC (W10) I want to move TB to a new PC (W11)

If I go to Help> Troubleshooting Information And click on show folder it gives location of my profile as: C:\Users\Rick\AppData\Roaming\Thunderbird\Profiles\4p8y3fgt.Rick Now that does contain ‘a mail folder’ of 48MB but it is not all of my filed mail. (local folders There is a filed mail folder for (local folders) at: E:\My email\Local Folders ( this is where my overall filed mails are) E:\My email\pop3.btconnect.com (this is an older account, no longer used)

I would like to get them both onto the C:\ active profile On new PC application & data will both be in C:\

What is best approach to homogenise the data so all on C:\ location data to new W11 PC ….. assuming I should first move stored mail to C:\ get it all working OK;

I'll do that Anybody advise on steps ? TB installed on C:\ On E: there are 2 folders E:\My email\Local Folders ( this is where my overall filed mails are) E:\My email\pop3.btconnect.com (this is an older account, no longer used)

I would like to get them onto the C:\ active profile Then I can move the lot to a new PC

cannot load X, this is not an everytime occurance, super random. Perhaps half of my attempts to load the page it is interupted by an error.

see uploaded image below

I do not have enhanced tracking on.

All was fine with gmail with 128.2.2 for me until this morning. I updated to 128.2.3 and login to gmail imap fails. Backed off to 128.2.2, everything works. Something is wrong with 128.2.3.

I run Thunderbird on a PC, and, to free up space on Drive C:, I have moved the contents of the folder Thunderbird in Appdata to Drive D:. I then changed my Server Settings, in Thunderbird, from C: to D:, and note that any new mail is indeed now appearing there along with those already transferred. This move could save me a valuable 6 gig of space, and more in the future, however, I am unable to remove that original Thunderbird folder entirely, notably I am unable to remove the contents of the Profiles folder, as it is still linked to the application. Notably with cookies.sqlite, cookies.sqlite-shm, store.json, mozlz4, aborted-session-ping and many others, which I note some have continued to be updated. I have been unable to find any other settings in Thunderbird referring to Drive C:, other than those in Server Settings.

I could presume that if I installed another version of Thunderbird on Drive D: and maybe moved those existing contents of the Thunderbird folder on C: onto Drive D:, and made those numerous settings changes to the App it could work. But I ask is there an easier way to complete this move? How can I complete this transition of Thunderbird from Drive C: to Drive D:?

Starting in the last month or so, when I login to my email account using Thunderbird I get a Filesystem notification initialization error asking me to check for configuration errors in the FAM/Gamin library. (Side note the error only stays as long as my mouse is hovering over it then it vanishes so I can't get a screenshot or copy and paste the text.) I am still able to send messages, receive new messages, and access saved messages in my local folders, so I am not sure what this error means.

I just got off the phone with my email service provider who confirmed that they are not seeing any issues on the server end, so It appears to be something on the Thunderbird client side. I tried clearing the startup cache and that did not resolve the issue.

Using version 115.15.0 (64-bit) on PureOS which is a variant of Debian. PureOS is designed for extra security so there is a delay between the release of new versions and the time that purism.com releases the update to PureOS. It may be I just have to wait for Purism to release version 128...

Thanks for any suggestions.

I recently upgraded to Ubuntu 24.04. I also migrated from using Thunderbird via snap to installing and running it via Flatpak.

As a result, the Thunderbird icon on the dock now shows the normal logo with an annoying green circle with the number "1" in white text on top. I have uploaded the image.

This suggests there is one new message but that is not the case - whether there are 0 new messages or 10 new messages, the icon in the dash does not change.

How can I return to the original Thunderbird icon?

I have checked the org.mozilla.Thunderbird.desktop file which is located in /usr/share/applications and and it says:

Icon=thunderbird StartupWMClass=thunderbird-esr

However, I have no idea where the thunderbird icon is located and how to replace it with my own .png file. I cannot find the current icon file anywhere.

Does anyone know how to replace the current icon with my own icon or with the original Thunderbird icon?