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I have spent the last two days trying to re-establish receiving/sending emails on my Apple MacBook Pro using Thunderbird without success. This problem developed suddenly about 3 or 4 days ago and only affects the MacBook, not any other device (I have an iMac and two iPads). I have gone through the instructions in Thunderbird's support pages and those in Mozilla with no success.

How do I fix this please? Would the easiest way be to simply delete the account xxxxxxx.gmail.com from Thunderbird on my MacBook and re-instate it by adding it back in?

All the setting for IMAP and SMTP are correct and the username/password is identical on all my devices.

I've created a global Inbox for all my E-Mails Accounts. Normaly this Inbox should include all E-Mails. But there is no E-Mail shown at this point. What can i do to fix this issue. As workaround: I have to click on each Inbox to get the E-Mails of these Accounts.

A few days ago I got error message from Thunderbird: "Sending of password for user crangard65@gmail.com did not succeed. Mail server pop.gmail.com responded: Username and password not accepted.

Later the same day, after shutting down PC, got into Thunderbird without any problem. Has been OK for a few days then yesterday the same error appeared. I have no problem accessing my gmail directly via Firefox using my usual username and password.

Any suggestions?

Operating system is Linux 4.15.0-163-generic and Thunderbird version is 78.14.0, Build ID 20210901192859

Thank you.

I've just installed TB 115.6 on my MacBook to see if I like it better than Apple Mail. There is one thing that seems weird to me. Fonts are displayed larger in the Read window than in the Write and Reply windows.

These are my font settings: Default font: Helvetica, size 14 Composition, HTML Style: font: variable width, size: medium

Now if I send an e-mail to myself the font looks larger once I receive the message than what it looked like when I was composing it. And then if I reply to this message the font becomes smaller again in the Reply window.

The font in the Write window has the exact same appearance as in Apple Mail where I also defined Helvetica 14 as the default font. So my suspicion is that the fonts are somehow scaled up in the Read window. But why? And how to change it so that the same font looks the same everywhere?

Starting on June 1, when I tried to use Thunderbird, I have to log into my Gmail account. I enter my email address and password and the next screen states: "Sign in with Google", which I do. The last screen in the process is "Mozilla Thunderbird Email wants to access your Google Account". I click on Allow and then the following message appears: "Authentication failure while connecting to server imap.google.com"

When I go back to Thunderbird and click on "Get Messages", I am put back into the Login loop, including 2- Step Verification..

I've used Troubleshoot Mode, I've cleared the startup cache, but neither has resolved the problem.

More Troubleshooting Information

Application Basics Name Thunderbird Version 91.10.0 Build ID 20220525135609 Distribution ID Update Folder C:\ProgramData\Mozilla\updates\D78BF5DD33499EC2 Update History Update Channel release User Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 Thunderbird/91.10.0 OS Windows_NT 10.0 19044 Application Binary C:\Program Files\Mozilla Thunderbird\thunderbird.exe Profile Folder C:\0-TBird\Profiles\jsxynuvz.default (Local drive) Build Configuration about:buildconfig Memory Use about:memory Performance about:performance Registered Service Workers about:serviceworkers Third-party Modules about:third-party Launcher Process Enabled Multiprocess Windows 0/0 Fission Windows 0/0 Disabled by default Remote Processes 3 Enterprise Policies Inactive Google Location Service Key Missing Google Safebrowsing Key Missing Mozilla Location Service Key Missing Safe Mode false Profiles about:profiles Telemetry Data about:telemetry Mail and News Accounts ID Name Incoming server Outgoing servers Name Connection security Authentication method Identity Name Connection security Authentication method Default? account1 [user name]@hotmail.com (pop3) pop3.live.com:995 SSL/TLS Normal password Wes <[user name]@hotmail.com> smtp.live.com:587 STARTTLS Normal password true account2 Local Folders (none) Local Folders None Normal password account4 [user name]@gmail.com (imap) imap.gmail.com:993 SSL/TLS OAuth2 "[my name]" <[user name]@gmail.com> smtp.googlemail.com:465 SSL/TLS OAuth2 true

I can use account1 - [user name]@hotmail.com (download, read, delete, messages), but I no access to account4 - [user name]@gmail.com. I have no idea what account2 - Local Folders relates to.

On June 2 during a 2-1/2 hour unproductive session with a good computer technician I've been using for probably 10 years, Security Alerts were sent to account1 - [user name]@hotmail.com (as set up as a security step in Gmail): "2-Step Verification turned on", "App password created to sign in to your account", "App password used to sign in was removed", etc.

I have personally spent over 8 hours over the past 3 days exploring solutions suggested to other users with a similar problem but nothing has helped.

I have checked for stored passwords; there are none.

Please let me know if you need more information.

Thank you very much for you help! I will save whatever is left of my sanity!

Hi. The option to "sync and save your data" no longer appears in the main menu, nor under settings on my Firefox Android phone. What can I do to get back this option? Your support is greatly appreciated. Thanks in advance.

So, my browser is disabled. I can open it, but if I type anything in the adress bar (the home menu with recomendations and the search tab doesn't pop up) it will process the information, but then stop and gives me a blank screen. I send an image of it. For example if I type https://www.google.com the tab will go white and I can't do anything about it. In the apliccation menu, the only thing I can do is to go into troobleshooting mode by clicking the Help tab. Everything else (except for the new tab or window tool) is disabled. I beleive it is coused by the fact I can't open any website and those tabs are links. Please write back.

Thunderbird has changed one of my folders. This now has a different icon (see snip) and I cannot delete it as there is no option. Is it something that I've done and how do I correct it please. Many thanks

I still have v102 on my PC. I have read and see where there are a lot of problems with v115 - messages from users. So if I want to keep v102. How long will it be good? Is there a cut-off date that I will be forced to get v115? Is there someone knowledgeable with Tb that can call me and walk me through getting v115 set up like v102? I am not computer literate enough to be able to do that on my own. Or a way to get simple "step by step" instructions? Trying to read all the updates is way over my head. I am an 85 yr old man that simply wants to be able to read my emails without having to re-learn how. I've been using Tb and Firefox every since I can remember. Years and years. Can someone help? I can furnish email address and/or phone number if needed.

I tried to load the following page and it does not load correctly: https://www.riu.com/pt/hotel/aruba/palmbeach/hotel-riu-palace-aruba/index.jsp When I load the page almost nothing shows up (see attached). I have tried the specific address, and also what Google and DuckDuckGo search returned, same result time, although the search returned the English page version. Also, the page loads correctly in Edge, Opera and Chrome. It also works fine using Firefox for Android. Seems to be just on Windows.

Firefox 105.0.3 Windows 10 Dell G5 5587

This is the second time in a week I have filed a report about a page not working. Last time it was a very specific page on a specific site, this time it is a the top level of a fairly generic website. I've been a Firefox user almost since day 1, on windows, unix/linux, and android, and I have not had this much trouble before. And yes I understand this is a volunteer effort, so if there is anything I can do to help get this working let me know.

My inbox has disappeared withe the latest update. Replaced by instructions for setting up my account. Having connected to the existing configuration, next instruction is to click on 'create account' - but there is no such box on my screen