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I have Thunderbird configured to log in to 3 separate email accounts, one of which is a Yahoo email account. Several days ago, a message appeared that notified me that Thunderbird would not connect to the imap account in Yahoo. I tried changing the password by logging in to the Yahoo account via my browser, but Thunderbird still gives the error message. Do I need to delete the Yahoo account from Thunderbird and start over, or is there something else that can fix Thunderbird so I can use it for all 3 email accounts? Thank you.

Firefox upgraded this morning. I can't connect to any of my URL's. I have rebooted my computer, went and closed all open Firefoxes, and Run as Admin. I can connect changing to Run as Admin once then I can't connect to anything else. If I open Chrome - there is no issues. How can I get back to where it worked?

I am using Windows 10 . I have MS Edge as well as FireFox browsers installed. I just recently installed Thunderbird.

Since I used FireFox and turned FireFox VPN on and then off (after about 15 minutes) I cannot connect to some websites like rockauto.com using FireFox or MS Edge. If I turn FireFox VPN back on I can connect to these sites (rockauto.com is only one example) just fine. But if I exit FireFox and go to use MS Edge -- I cannot access the websites at all, they timeout.

What gives?

I have been through all the steps and configurations and everything is set correctly but suddenly Thunderbird does not communicate with Gmail. I have tried everything. My passwords are correct and IMAP and STMP configurations are all correctly set. Now what?

I'm confident that this is not a Spectrum/Charter issue as I can log into their webmail client and send mail. I can also use the Mail app on my iPhone and send mail from my user@san.rr.com account. My settings are below and have not changed in many months (when SMTP was still working). I've also checked "Saved Logins" and verified that there are entries for IMAP and SMTP and that the password for both is the same and is correct.

Description: IMAP Mail Server Server Name: mail.twc.com Port: 993 User Name: user@san.rr.com Authentication method: Normal password Connection Security: SSL/TLS

Description: TWC SMTP Server Name: mail.twc.com Port: 587 User Name: user@san.rr.com Authentication method: Normal password Connection Security: STARTTLS

This issue started last week on my Windows 11 PC (which has had updates paused since last month). I was previously using TB 128 and have subsequently updated to 140 and repaired my inbox trying to find this issue. When I attempt to send a message, I see "Status" Sending Message..." and a blue progress bar that never changes (TB_sending.png). The dialog box remains frozen for multiple minutes. I had seen a connection error message to SMTP in the past, but it usually disappeared the same day (see other screenshots). It feels like TB is not making a good STARTTLS handshake with mail.twc.com. I've tried switching to SSL/TLS port 465 and that has the same issues.

I was notified by the Cornell University IT department that "Microsoft will begin retiring Exchange Web Services (EWS), an older technology used by some email and calendar applications, starting October 1, 2026" and that my use of Thunderbird might be affected.

Is Thunderbird currently using EWS to access my email account: cal19@cornell.edu

Thunderbird update to 156.0.1. After 2 days, it stopped accessing my email account. Get Messages does does not bring up password screen. Have confirmed that server settings are correct per ISP requirements. Thunderbird loads OK. Can see and access my previously downloaded emails. However, can NOT access email server for any new emails. No idea what to do or where to go. As is, Thunderbird is a useless program.

Constant "Address Not Found" for well known major sites: SO Done with Firefox For Android browser app. Even though I've promoted Firefox for years. Also, I strongly dislike not being able to find a HELP CONTACT email address to get a fix for this FREQUENT problem, because I would prefer to avoid taking my persistent (years long) problem with Firefox for Android to the public, or to the Google Play Store Reviews, and I would rather just get a fix for the constant problem, a fix which I am unlikely to get in some Google-like online user community. So much wasted time under Deadlines from authorities. The deadlines, problems, and crises surround me. Exasperated. My old building suite doesn't have the fastest ethernet and wifi. This Firefox For Android problem wastes even more time. Frequently. The SAME site addresses are a piece of cake to visit in any of my cell phone's 3 Google browsers. But I do not believe in Google. Firefox For Android is my preferred default browser. (Usually using DuckDuckGo search engine, inside my Firefox for Android browser.) Help?! 😢

I use version 153.3.1esr

Outlook.com setup fails before any Microsoft sign-in opens, even with IMAP enabled, OAuth2 selected automatically, cookies allowed, and Troubleshoot Mode tested.

When i am using my home wifi, firefox can connect no problem. When using a public wifi or school wifi it struggles to load into any site. I have tried adjusting the proxy settings and erasing any cache and restarting my laptop. I cant even update fire fox because it cant download the update.

Cannot send or receive email all of sudden in Thunderbird. When I the click the messages icon, nothing happens, and I get "Could not connect to server mail.twc.com; the connection was refused". When trying to send a m,message I get "Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) mail.twc.com failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again." No settings were changed and everything was fine when I put the computer to sleep. This happens on both a Win 7 and 11 machine Email is a Time Warner (now Spectrum) Road Runner account (twc.com). Spent an hour with Spectrum, and they say this is a third party (Thunderbird) issue. A friend has the same setup, and is having the same problems that started at the same time. Win 11 version 150.02 Win 7 115.18.0 (latest available for win 7)

Appreciate any help....

This would be a new account as my existing Mailbird stopped working. I am on Windows 11 laptop and it appears that the last windows update excluded Mailbird from allowed. While setting up cannot get past the error msg that says Host name and port error. there is no window to enter a port number. Host name I am not sure but tried a few and talked with Rogers and they could not help, They said ask Thunderbird. I am at a loss. tried: imap.shaw.ca; mail.shaw.ca; shawmail.vc.shawcable.net and more that I found in notes.