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TB has been working well for a long time - but it seems since updating to v128.1.0esr I can no longer send emails from my Gmail accounts. I can send emails with my Yahoo email account however. So the issue is specific to Gmail. Incoming mail works - only sending emails is the issue (SMTP).

I've attached files of the outgoing warning messages and TB SMTP settings. FYI - I have three Gmail accounts and one Yahoo account. When I press the "Enter New Password" button in the "Login to account Gmail Account failed" dialog box, nothing happens - the screen quickly blinks.

What's interesting, is the failed email is saved in the Drafts folder with Gmail online. In other words, if I login to Gmail via a web browser, the message is saved in the Drafts folder and I can send it from the web browser Gmail account - but not from TB. Any help would be appreciated. I did make $$ Donation to TB awhile back.

Any idea how to remove "Unified Folders" from Folder Pane list? In my case it is useless to have it visible. Thank you!

P.S. Thunderbird 128.0esr Ubuntu 24.04

Thunderbird did an automatic update late today and since then have been unable to send emails. Incoming emails appear to be working.

I am using a Gmail IMAP account

The error message is - " Login to server smtp.gmail.com with username stevematulick@gmail.com failed. "

When I then select cancel then get a further Error message -

"Sending of the message failed. Unable to authenticate to Outgoing server (SMTP) smtp.gmail.com. Please check the password and verify the 'Authentication method' in 'Account Settings | Outgoing server (SMTP)'. "

Tried several times to add a new contact to my address book. When I click on the Save button it briefly enlarges but that's it. The new contact is not saved.

I tried closing and reopening TB and it still won't save the new contact.

Would appreciate help with this. Hoping it's not technically complicated, as I'm not an expert at this.

Thanks, Marc

Ever since I've been upgraded to Thunderbird 128, I've been experiencing constant hangs. I'm running the latest versions of Thunderbird and Windows 10. My antivirus software is Windows Security.

This issue seems to be most acute whenever Thunderbird checks for new messages. Thunderbird's CPU usage jumps to between 25 and 30%, and memory and disk usage also skyrocket. Thunderbird freezes completely, and everything other program that's running at the time is slowed to a crawl for several minutes minutes. Troubleshoot Mode doesn't help.

Any suggestions?

Thanks.

Sometimes my Thunderbird Inbox (or some other folder) is empty, and it's Properties Location is empty. I've found nothing to fix that except to close Thunderbird and reopen it; sometimes needing to wait a few or several minutes before reopening it. That's always (finally) worked, but I guess I'm concerned that one time it won't work. What could be causing that?

I'm getting a message the following message each time I try to send an email:

"Sending of the message Failed.

Unable to authenticate to Outgoing server (SMTP) smtp.googlemail.com. Please check the password and verify the "Authentication method" in Account Settings | Outgoing server (SMTP)'.

Under SMTP Server I see the following: Description:Google Mail Server Name: smtp.googlemail.com Port: 465 Connection security: SSL/TLS Authentication method: OAuth2

How can I get my outgoing email working again? It worked yesterday. Thanks, Carla

After updating to Thunderbird version 115.12.2(32 bit) two days ago, I can no longer send emails. I get an error message "Authentification error (VM401)" I use Virgin Media. I can receive emails OK. I have not changed any server settings for a long time. I have been in touch with Virgin Media, they say the problem is with Thunderbird as I can send emails from on their one line system. I can also send emails from my Android phone. Any help would be appreciated.

I have 4 gmail accounts with Thunderbird. A couple of days ago, my granny account started getting the attached message. It's the only gmail account that gets this. All of the settings are exactly the same for all accounts. I tried sending a test text from one of my other accounts - twice. They finally came in about 10 minutes later, so apparently messages CAN get to the account eventually. However, when I try to get all messages - or even just for this account - I get the attached message. This has been going on for at least 2 days. I can sign in just fine to this account if I sign in through my computer and go to the account online. Also, if I try to SEND an email from this account through Thunderbird, I get the message that the login failed and to enter a new password. When I click to enter a new password, the email goes through without any further action by me. I get the same message when hitting reply to the test message that finally was delivered. I'm at my wits end! Please help!! Thank you!!!

Hello, I'm Christian. I am still facing issues changing my Thunderbird into an IMAP account, for following reasons: -exporting the existing is OK -creating the IMAP account is OK -Reimporting the messages from previous POP3 account difficult, because: -when using the import fonction, a local folder is being created with a directory three that looks liked the previous Dir structure I had previously. But transfering the folder and files proves difficult, the copy/paste function does not work properly so I can't just click and drag. My thunderbird folder is approx. 20g, could that be the reason? Furthermore, I cannot delete the previous POP3 account or the local folders. Any idea why? I actually do have a thunderbird account (POP3) comprises of 4 differents email addresses, I can delete 3, but not the last one as it appears to be the default one. Thanks a lot for your support, much appreciated. Christian

I'm considering changing the location of my HOME calendar. I went to Home Thunderbird Calendar "Changing calendar preferences" in Mozilla support and looked at "Location". It said "Location: This is the location of your calendar. Do not edit this unless you know what you are doing."

I have not had much success in getting more detail. What do I need to know to be sure I know what I am doing.

cwc

As seen in the image, I have wasted spacing after the message in the list, how can I either remove the wasted space, or preferably, center the text as is the norm with outlook/emclient/others

It just looks and feels so unnatural and i just cant get used to it.

I'm experiencing an issue with Thunderbird that started unexpectedly. Whenever I try to access my email, I get a warning message saying that "The site certificate is not valid for this server. Someone may be trying to impersonate the server. It is not recommended to proceed."

I'm not sure why this error has suddenly appeared, as everything was working fine before. I haven’t made any changes to my email settings or installed new software recently. Has anyone else encountered this issue or knows how to resolve it?

On 31 July, a day before the Thunderbird update from V115 to V128, the emails in my inbox no longer had reply or forward options and were addressed as coming from me as well as to me.

A yellow message at the bottom of each email read: "A unique identity matching the From address was not found. The message will be sent using the current From field and settings from identity Marcus Relton <my email address>"

My email provider thinks Thunderbird mistakenly believes these emails to be drafts. I have added on FolderFlags, which now has a V128 version since I first experienced this problem last week.

I am supposed to be able to right-click the inbox, go down the drop-down menu to properties then see another dialogue box but this isn't appearing.

I can only reply to or forward emails by right-clicking in the message in the inbox and I can't click on links in the email. I have to open the link then cut and paste them.

Mail.coop, here in the UK is trying to find a solution, having hoped FolderFlags would work, but if anyone has any suggestions, please share.

I saw someone had a similar problem with their drafts folder in April but the suggested fix didn't solve it.

Thanks,

Marcus

I'm going to ask this question again. Has anyone seen this? If so, what does it mean? When attaching a pdf or other file to an email, I can't open it to check it before sending.

C:\Users\***\Desktop\*****.pdf could not be opened, because the associated helper application does not exist. Change the association in your preferences.

What is a helper application and how do I fix this?

Thank you

When I opened Thunderbird, I get the Account Setup page and my 5 accounts all all my emails are missing. I read to go to Help > Troubleshoot Mode > Reset toolbars and controls but under Help I only have the options of Get involved, Mozzilla Connect and Get the Beta. There is no Troubleshoot Mode. I need to urgently get work emails. Please advise what to do step by step. Thanks.

TBird 128.1.0esr (64-bit) and Windows 11

Using Tbird with an imap server and gmail email, calendar and contacts.

Not having any problems with email or the calendar but contacts do not seem to be synching. I have only just noticed this and it appears to be since the Nebula 128 update

I tried Add CardDAV Address book but I get the following the "All address books for the specified account have already been added" message. (Screen capture attached.)

I have seen some responses that imply it should all be automatic. What am I missing?

Thanks all

Alan