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When I attempt to access the Add-Ons service through Thunderbird, it brings me to an HTML page (https://addons.thunderbird.net/en-US/thunderbird/search/?q=lastpass&appver=147.0.1&platform=Linux) reading

> addons.thunderbird.net > Performing security verification > > This website uses a security service to protect against malicious bots. This page is displayed while the > website verifies you are not a bot.

with the following footer: > Ray ID: 9d07fae58cabaefb > Performance and Security by Cloudflare

It will attempt to connect to Cloudflare to verify a Captcha, but the Captcha itself never renders, and after a period adds the following to the text:

> Why is this verification taking longer? >This verification can take longer due to an older computer or a slow internet connection. > What to do next: > # Wait briefly. Refreshing the page will restart the security verification and may take longer. > # If the verification still does not complete, refresh this page. > # If you are still stuck on this page after a page refresh, refer to Cloudflare’s troubleshooting documentation for more help.

After another period it then cycles the verification page. This continues as long as the tab remains open.

Opening the link listed above in Firefox opens the Addons page as expected.

Similar Captcha pages open on launch, as well as when accessing support or attempting to create a Matrix chat account.

There is a potentially related issue in that images and some icons are not rendered. I will make a separate post asking for help with that if it is not related, but it seemed relevant to mention.

The problem has existed for a long time, and I have checked existing responses without finding a solution, but I didn't get around to asking about it until now.

I am using Thunderbird v. 147.0.1 (64-bit) for Linux with no extensions installed), connected via AT&T broadband service with no proxy set, running under Manjaro 26.0, kernel 6.18.8-1, with the XFCE desktop environment (that last is only mentioned for the sake of completeness). I am using GUFW for my firewall, but the problem persists when the firewall is disabled (something I do not wish to do regularly in any case).

Recently switched ISPs to a fiber internet company. After the switch, now whenever I try access my comcast email tunderbird gives me a message that my IP is temporarily blacklisted. I get two messages. One is a windows notification that says the blacklisted message, and then a popup message from tunderbird that it cannot log in. I have contacted my ISP to ask them what's up with the blacklist, but what's weird is that I can seem to access these accounts fine through Outlook, which would seem to indicate that there is some issue with tunderbird. I'd really rather use tunderbird than outlook. Can somebody help me with this?

The few articles I could find on this all suggest changing the IPv6 setting but I checked that and it is already set to what they suggest.

I tried deleting the account and recreating it in tunderbird, but it won't go through it says it can't log into the account.

Yesterday, downloading emails got stuck because it couldn't download an email. I tried this multiple times and then it said it couldn't connect to my email server. I tried Repairing the individuals folders but the problem persisted. I looked the problem up, and one of the recommendations was to uninstall Thunderbird, the profile folder, and install it again. When I launched it again, it told me it couldn't find a profile, so I went to the app data folder and restored the folder containing my emails etc. I reconnected it to my Yahoo Mail server. I started TB this morning, and it does the same thing. It tries to download 205 emails, when I know I haven't got that many from yesterday. It still gets stuck on email 21, so I close it, open it, close it, open it, in which it checks again, and I go round and round in circles. It is now telling me that it has failed to connect to the Yahoo server. Checking mail through the Yahoo site works fine. I am using TB 149.0.1 on Wiindows 11.

All of a sudden I am finding that Firefox will not connect me to certain websites such as Walmart, Doordash and even Firefox itself. It looks like it's trying to but it just gets stuck. What's causing this and how do I fix it?

When trying to add my Outlook account, I am stuck at the authentication step. The webpage doesn't work. The screen recording I've attached is what happens on the second time and later; the first time it shows a different page (saying "The app named Thunderbird will be granted these permissions [... a list of permissions]; allow?" and I clicked "Allow") but it doesn't work either.

There is a "在 浏览器 浏览器中打开" option ("Open in browser browser" haha; it refers to Xiaomi system browser") but it opens a "Cannot find this page" error page. The "在 Edge 中运行" ("Run in Edge") button is unclickable.

Translation of the screen recording: Trying to log in to Thunderbird Android? Only continue if downloaded the app from trusted app store or website. [Cancel/Continue]

Screen recording at https://wwblo.lanzoub.com/itYge3mz8rlc (extract code: cnme)

I've noticed that on using the app that it stalls. I have to toggle aeroplane mode to check to kickstart it back to life.

I can confirm it's not a phone or internet issue as I can switch out to chrome or share the stalling page to Chrome and it works immediately. This happens on different pages so it's not a page specific issue. I've even noticed it hanging on switching to a different app and then back, where the page suddenly stops functioning or loading.

I hate using chrome, I'd prefer to keep using Firefox, but I can't stand these constant pauses.

My device is a Xiaomi 15, I'm using the latest Firefox. I'm using the latest Android version. My Firefox app has only 1 extension installed ublock origin.

I HAVE CHANGED NOTHING & CAN LOG ON SERVER WHILE IN THUNDERBIRD SETTINGS, BUT WHEN ASKING FOR NEW MAIL AM TOLD "LOGIN TO SERVER WITH (MY EMAIL) FAILED". THIS IS SUDDEN SINCE UPDATING TO LATEST THUNDERBIRD. LOGGING ON IN FIREFOX WITH SAME INFO IS FINE! THANKS

I get the error "connection to server pop-server.triad.rr.com was reset" when running Thunderbird and then I get no email.

Don't know if it is relevant but I did try VPN beta in Thunderbird some time before the above error happened.

Regards Tom

PS I can't get any email if you respond to me there.