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Hi All, I have been sending emails through Android Thunderbird, but they aren't being synced to the server, so I can't see them anywhere else. I've set the Sent folder to sync (as well as the Inbox). Pressing the sync button just spins the indicator, but doesn't actually sync. When I try to move or copy messages, an error comes up saying that messages can't be copied or moved that aren't synconised. How can all my messages (sent, inbox, everything) be synced so that I can see them everywhere? I've just turned on sync debugging, will see the results soon.

Current Behavior When Firefox is set to offline mode (File → Work Offline), the Developer Tools Network tab does not display request body of requests that web applications attempt to make. This creates a significant gap in debugging capabilities, as developers cannot inspect request payloads details that would normally be visible.

Requested Enhancement Enable the Network tab to capture and display attempted network requests payload even when offline mode is enabled

When saving images from websites using the save image as feature, Firefox will freeze up and not register any mouse click or anything instead making a ding noise every time is register a mouse click. This will continue for like 30 seconds before it becomes normal then it will repeat this for every image. How can I solve this?

I've been using Thunderbird for years to access my gmail account through my ieee alias. Sometime after 4/2/2025 my login fails with the message "Login to server imap.googlemail.com....failed". I've tried changing the imap server to "imap.gmail.com" but get similar results. For some reason, it appears that something changed on 4/3 that prevents a successful login to the gmail server from Tbird. I have both Tbird and gmail configured for OAuth2. Update: As it turns out, following the steps in this link resolves the issue: https://support.mozilla.org/en-US/questions/1375558

When I try to open EML file stored on NAS that was previously stored using the same Thunderbird app (version 142.0 (64 bits)) the preview is blank (photos attached) although the message source shows content. When I copy this EML file from NAS to desktop and then open, the preview shows up correctly.

How to make it possible to open the EML straight from NAS and show its contents in the preview window.

Some time ago, with the previous (unknown) version of Thunderbird it was possible to open the EML straight from NAS and show its prebiew correctly.

I tried to connect to an existing Google-Mail account via 'new', 'existing mail account' etc.. Finally a Google-Login-Window appears. After inserting the username Google responses with a message, that my browser does not support javascript. However, both in thunderbird and in firefox javascript is enabled.

Sincerely Yours Stefan Holzreiter

Hmm. We’re having trouble finding that site.

We can’t connect to the server at data.digital.costco.com.

All my email accounts are hosted at siteground. I recently created a new domain, website, and two email addresses there. Siteground support tested the new email addresses and said they work fine. But when trying to set up these new email accounts in Thunderbird - 128.5.2esr (32-bit) - I keep getting error messages. I know the passwords are correct because I checked them in Settings. After the first step in setup, I always get "Configuration found at email provider". If I click "Done", I get "Unable to log in at server. Probably wrong configuration, username or password". If I click "Configure manually" and then "Re-test", I get "Thunderbird failed to find the settings for your email account".

Thunderbird suddenly stopped working for this "att.net" email at the end of July. Per the online support, I deleted the account in Thunderbird. When trying to add the account back, the "configuration found in Mozilla ISPDB" worked, but now gets an authentication error (probably wrong configuration) when I try to add it back in.

I can reach my att.net emails directly (account login and password work), but Thunderbird will not activate or access this ATT.NET account. (My other Thunderbird emails are working.)

Please help.

I am using 140 ESR version on linux with Cloudflare's DNS over HTTPS and with DOH active for some reason resolving a domain like d3oklwo3y1bx83.cloudfront.net will resolve to local host IP 127.0.0.1.

I am using firefox about:networking#dnslookuptool to test resolution of the domain d3oklwo3y1bx83.cloudfront.net Both with DOH on and off the resolution remains local host. I tried another browser on the same workstation and I was able to receive a resolution of 13.225.193.203 13.225.193.133 13.225.193.64 13.225.193.58 Why is firefox ESR not able to resolve that domain? What are causes ?

Is is firefox dnslookuptool results.

From time to time - and for reasons that I cannot discern - I get screens popping up from Google saying that it needs information or permission to access T-bird accounts. I have both gmail and other domain mail server accounts in T-bird.

Today, it's happening again. I can't seem to resolve the issue even though I've been through the process of providing requested information and permissions. I can't get T-bird to connect to servers to look for downloadable messages. This is a problem that is keeping me from using 2-step verification with several websites that I need to contact. I say that T-bird isn't connecting because the messages that normally appear when I request downloads do not appear at the bottom of my screen. The problem started with the first screen below and has now migrated to the second screen. I tried sending test email among my accounts, both gmail and others, but I cannot. As far as I can tell, T-bird is sending the messages to servers but not retrieving them, but I cannot be sure they were sent. As I was typing this sentence the second screen below popped up without my doing anything with email.

I don't recall what I've done in the past to resolve the issue. IIRC it has required different acts at different times. Today, nothing seems to work. If this continues, I'm going to have to find another email client after having used T-Bird for more than a decade.

Can someone please tell me how to get off this merry-go-round?

I have 8 email accounts on Thunderbird, 5 Gmail and 3 Outlook. My newly added Gmail account has stopped downloading email, while all the others still work as they should. I keep getting pop-up messages from Thunderbird “Server imap.gmail.com has disconnected”. The problem started yesterday and only 1 of the 8 accounts. This new Gmail account is transferred from one of my Hotmail accounts. I have 7800 emails on the server waiting to come down. Alfred

Using Thunderbird desktop for Windows with my Hotmail account, I frequently cannot send an outgoing email. I regularly get the following message even while successfully receiving incoming messages.

Send Message Error Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Cannot connect to SMTP server 2603:1036:308:2817::2 (2603:1036:308:2817::2:587), connect error 10060.

I use Thunderbird for Android with the same email account without any issues. Any thoughts?

Just installed Thunderbird and can receive emails but not send them. Error message says the message could not be sent because connection to outgoing server SMTP mail.twc.com timed out.

My settings seem correct and I can send and receive emails through the companies website but not with Thunderbird. Thanks

Hmm. We’re having trouble finding that site.

We can’t connect to the server at data.digital.costco.com.

Hmm. We’re having trouble finding that site.

We can’t connect to the server at data.digital.costco.com.