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I want to import a MBOX file into my Thunderbird, but the methods I found doesn't work.

I found the option Tools > ImportExportTools > Import MBOX file as the answer of my inquiry but I have just installed Thunderbird on my computer and I don't have th… (read more)

I found the option Tools > ImportExportTools > Import MBOX file as the answer of my inquiry but I have just installed Thunderbird on my computer and I don't have this options in my Tools panel. The attached image is what I see in my Tools panel.

Asked by eleonora.skarankos 2 years ago

Answered by sfhowes 2 years ago

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If I send an email with BCC recipients, can they "reply all" so that everyone sees their reply?

I am sending an email to several people and others as a BCC. If one of those people who receives it as a BCC hits "reply all", will everybody see his reply? Or do BCC rec… (read more)

I am sending an email to several people and others as a BCC. If one of those people who receives it as a BCC hits "reply all", will everybody see his reply? Or do BCC recipients even have the option to reply all?

Asked by relztrah 9 months ago

Answered by maxtheman 9 months ago

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Can't get Thunderbird to work with Office 365 emails

I tried using Thunderbird to check my Office 365 email, with the following settings IMAP: outlook.office365.com Port: 143 SSL: STARTTLS SMTP: smtp.office365.com Port: 587… (read more)

I tried using Thunderbird to check my Office 365 email, with the following settings

IMAP: outlook.office365.com Port: 143 SSL: STARTTLS

SMTP: smtp.office365.com Port: 587 SSL: STARTTLS

Normal Password

All the settings are retried by Thunderbird once I enter the IMAP and SMTP details.

However upon clicking done, there will be a message saying "Unable to log in at server. Probably wrong configuration, username or password"

I have verified the username and password is correct, and also IMAP enabled for this account, but keep getting password wrong message.

Asked by siewkit84 1 year ago

Answered by siewkit84 1 year ago

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Getting this error message: The message could not be sent because the connection to Outgoing server (SMTP) smtp.gmail.com was lost in the middle of

I keep getting this error message when trying to send emails through one of my Gmail accounts in Thunderbird: "Sending of the message failed. The message could not be sen… (read more)

I keep getting this error message when trying to send emails through one of my Gmail accounts in Thunderbird: "Sending of the message failed. The message could not be sent because the connection to Outgoing server (SMTP) smtp.gmail.com was lost in the middle of the transaction. Try again." I tried the steps online in the support article at https://support.mozilla.org/en-US/kb/cannot-send-messages. All my settings are correct, but my emails will not send all of a sudden. I tried switching the port to 587, but still got the same message.

I'm sending a screenshot of my server settings. My email provider: Gmail ISP: Spectrum Firewall Version: Windows Defender Firewall Antivirus Software: Windows Defender Virus & Threat Protection Operating System & Version: Windows 10 Home, Version 10.0.18362 Build 18362 Thunderbird Version: 68.5.0 (32-bit)

Asked by amaryllis08 2 years ago

Answered by sfhowes 2 years ago

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Cannot send email with smtp.office365.com

I was connected to O365 with my work email but cannot send any message. IMAP works just fine, all folders synced regularly, but sending not work for some unknown reason.… (read more)

I was connected to O365 with my work email but cannot send any message. IMAP works just fine, all folders synced regularly, but sending not work for some unknown reason.

SMTP setting is as follow: smtp.office365.com port 587 STARTTLS OAuth (this is correct setting, all others shows errors, including outlook.partner.cn & smtp.office365.cn, which is completely normal since I'm not in China).

The first thing that jump out is that my password is not OK, which is not correct. Password is OK. Click on "Retry" or "Enter new password" do nothing, just return the same pop up. If "Cancel", then receiving message with "unknown error 80004005" and all other blablabla about unknown reasons, with instruction to check my SMTP settings.

I've tried all variations available, but nothing works. Sometimes, at some moment after click on Cancel, it said "Message sent" and I can see it in my Sent Items folder, but it's fake because I never receive that test message to my personal Gmail address.

I have already tried all suggestions I could find (deleting passwords, resetting all, restarting, deleting and adding account again, changes in Config editor related to security.tls), but nothing worked for me.

My OS: Win 10 Pro, build 2004, TB version 78.3.2

Any advise is very welcome. Thank you all in advance.

Asked by denexi 1 year ago

Answered by Norbert 1 year ago

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Thunderbird Light/Dark mode

It seems that Thunderbird follows the Windows 10 settings and installs Dark mode, making the emails/messages unreadable. From what I've read, the only way to correct that… (read more)

It seems that Thunderbird follows the Windows 10 settings and installs Dark mode, making the emails/messages unreadable. From what I've read, the only way to correct that is to set Windows in Light mode, which is not always suitable.

It would be nice if Thunderbird had it's own Light/Dark mode feature, allowing the users to select which mode they prefer.

Any thoughts/suggestions on the matter?

Asked by Midnight 1 year ago

Answered by sfhowes 1 year ago

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Your message was sent but a copy was not placed in your sent folder (Sent) due to network or file access errors. You can retry or save the message locally to Local Folders/Sent

Hi, i am currently using Thunderbird Version 68.11.0 - haven't had any problems - so far. Then all of a sudden it starts not working. I have not changed any settings wh… (read more)

Hi,

i am currently using Thunderbird Version 68.11.0 - haven't had any problems - so far. Then all of a sudden it starts not working. I have not changed any settings whatsoever.

This message pops up: Your message was sent but a copy was not placed in your sent folder (Sent) due to network or file access errors. You can retry or save the message locally to Local Folders/Sent It is a problem occurring only with our company's mail provider. The thing is it work just fine know it seems i can't even get any messages.

This is kind of urgent because i cannot work like this.

Please if you could help with any suggestions. Thanks a lot.

Asked by carlo.b.nogossek 1 year ago

Answered by Stans 1 year ago

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can not send mail after update ver78 SOLVED: caused by TLS

I can not send emails after the new update I am getting this error. Sending of the message failed. Peer using unsupported version of security protocol. The configuration … (read more)

I can not send emails after the new update I am getting this error. Sending of the message failed. Peer using unsupported version of security protocol. The configuration related to smtp.vcn.com must be corrected I have checked all settings and had the ISP check also and can not get past this error.Any help would be appreciated

Asked by copyjerome 1 year ago

Answered by sfhowes 1 year ago

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Thunderbird update

Thunderbird asked me to restart for an update and now all I get Is the following:- XUL Runner Error: Platform version 78.5.0' is not compatible with minversion >=78.4… (read more)

Thunderbird asked me to restart for an update and now all I get Is the following:-

XUL Runner Error: Platform version 78.5.0' is not compatible with minversion >=78.4.0 maxversion>=78.4.0

Can someone please help

Asked by northnfella 1 year ago

Answered by christ1 1 year ago

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Thunderbird authentication of Gmail IMAP Account fails

I'm trying with utter lack of success to configure a Thunderbird install to link to a Gmail account via IMAP. System Basics: Windows 10 Home, 64bit, fully patched. Anti… (read more)

I'm trying with utter lack of success to configure a Thunderbird install to link to a Gmail account via IMAP.

System Basics: Windows 10 Home, 64bit, fully patched. Antivirus by MalwareBytes 4.30 Premium, fully updated. No fancy firewall, just a regular router.

This account had been installed and working fine until a family member "helpfully" changed the Gmail password, but reauthentication fails. I enter the account details, including password, into the Thunderbird Accounts settings for the account; it pings Google and correctly retrieves all the IMAP settings, and when I click "Done" Thunderbird opens a browser window to Google's two-step authentication with the email address prepopulated. However, when I click the blue "Next" button on that authentication page, rather than advancing to a password screen, the browser simply deletes the email address from the text box and stays on the same screen (see attached image for what I'm talking about).

Things I've tried:

  • Uninstall, reboot, reinstall Thunderbird.
  • Turn off MalwareBytes protection.
  • Uninstall, delete every registry key related to Thunderbird, reboot, reinstall Thunderbird.
  • Clear cache on every browser on the system
  • Change Windows default browser settings to either Chrome (see below) or IE/Edge
  • Install new browser (Chrome wasn't yet on this PC), then change Thunderbird's file handler for https to Chrome (this is MUCH harder than it used to be as T-Bird v. 78.anything doesn't have the old "Preferences" menus)

Incidentally, changing browsers doesn't seem to make a difference in that pop-up browser window, so I suspect Thunderbird is using its own internal browser and not the system browser.

I have, and can send, the support info extract from T-bird to a support technician but am unsure of uploading it here. Nevertheless, I welcome suggestions ... this is driving me nuts!

Asked by dwm685 1 year ago

Answered by sfhowes 1 year ago

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How to copy or import old e-mails?

I got a new desktop box and installed Kubuntu on it. On my old box (Mint) I used Thunderbrid and I want to preserve my years of e-mails I stored on mail folders on my PC.… (read more)

I got a new desktop box and installed Kubuntu on it. On my old box (Mint) I used Thunderbrid and I want to preserve my years of e-mails I stored on mail folders on my PC. On the new box I created my e-mail account making sure that it was not using the default mbox (all e-mail in 1 file) but maildir (each e-mail in its own file) as on the old box. But when I copy the "Local Folders" from my old to my new Mail directory, Thunderbird does list the directories (with subdirs " cur" and "tmp"), but does not appear to recognise the e-mail files.

In Thunderbird under menu there is "Tools" that has a wizard " Import". However when I select to import Mail, I only get a message "No application or file to import data from was found."

So how can I import my old mail files in the new Thunderbird instance?

Asked by tpeters 1 year ago

Answered by tpeters 1 year ago

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Threads not showing all replies including thread starter's message

I'm having a hard time working with threads. View > Sort By > Threaded is active. Now, regardless of which column name is clicked to sort the Thread Pane, threads a… (read more)

I'm having a hard time working with threads. View > Sort By > Threaded is active. Now, regardless of which column name is clicked to sort the Thread Pane, threads are missing some replies, including the thread starter's message. And opening the thread stack in the Message Pane replicates this problem. How do I fix this? Thanks.

Asked by Fat Tony 2 years ago

Answered by Fat Tony 2 years ago

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Font Size of mailbox too small

Dear team, I have been struggling a lot to adjust the font size of TB. I have not been able to find anything that can help (the css solution went right over my head sadly… (read more)

Dear team, I have been struggling a lot to adjust the font size of TB. I have not been able to find anything that can help (the css solution went right over my head sadly). Can someone please help? I can not read such small letters anymore. :(

Asked by shrikant.jawalekar 1 year ago

Answered by Toad-Hall 1 year ago

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Incoming Server Already Exists - But It's Complicated

I'm trying to help someone out with their Thunderbird install. The problem started with 4 out of 5 of his accounts were working on Thunderbird, but a 2nd Gmail account ga… (read more)

I'm trying to help someone out with their Thunderbird install. The problem started with 4 out of 5 of his accounts were working on Thunderbird, but a 2nd Gmail account gave message incoming server already exists. We had him rename that account - still same error. He uninstalled and reinstalled a newer version of Thunderbird - still same error. Then we went nuclear and had him uninstall Thunderbird, then delete his Thunderbird profile after verifying he was on IMAP and that he would lose no data.

Ever since then, now he gets "incoming server already exists" no matter which e-mail account he tries to add. We had him uninstall and delete all Thunderbird folders. Same problem. We had him try Thunderbird 38, 45, and the latest version of Thunderbird. Same problem. He calls us "mate," so we think he is in UK, Australia or NZ, so we always sent him official Thunderbird ftp links that let him pick by country. Suspecting that he might be doing something wrong in deleting the profile or adding accounts, we had him create a new Windows user account to be sure. In the new user account, he gets the same problem. Very perplexing.

So, at this point, I would think the problem is not tied to his Thunderbird user profile or his Windows profile. He has no problem accessing any of his e-mail accounts via webmail. I should mention at this point that he is using a decrepit Windows XP machine. Suspecting that he could be having a problem with e-mail accounts in general, or with having Thunderbird set as default mail reader, we had him change his default to Outlook Express and set up a couple of accounts using Outlook Express, and he had no issues in Outlook Express. We returned to Thunderbird, and he got the same error.

I've never had to resort to registry edits involving Thunderbird, but we are at a loss.

Any advice/suggestions welcome.

Edit: I should also mention that he says that when he tries to add an e-mail account, it stays stuck on "Checking password" for about an hour before it produces the "incoming server already exists" message.

Asked by Corey 2 years ago

Answered by Toad-Hall 2 years ago

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How do I change the IMAP connection timeout?

System Info: Thunderbird Version 68.6.0 (32 bit) running on Windows 10 Pro Version 1903 (OS Build 18362.719). 48GB of RAM 561GB of disk space remaining on system partitio… (read more)

System Info: Thunderbird Version 68.6.0 (32 bit) running on Windows 10 Pro Version 1903 (OS Build 18362.719). 48GB of RAM 561GB of disk space remaining on system partition where Thunderbird and data files are installed.

I'm trying to move 5000+ email messages from a local folder to an IMAP service. Managing the potential risk of losing messages, I decided I would copy the emails from the local folder to a new folder on the destination IMAP email account.

At first, I tried Apple iCloud. Based on my second experience (see below), it appears Apple iCloud server side has a very very short timeout value. I get to around 10-11 messages and then Thunderbird reports back that the connection timed out.

Next, I tried Microsoft Outlook Live (or hotmail.com). I always get to around 227 email messages before the copy operation also times out. Researching the issue a little more, I find that timeouts normally occur when copying large messages. Microsoft's IMAP migration tips also indicate that the largest email message they will happily accept is 35Mb. See https://docs.microsoft.com/en-us/exchange/mailbox-migration/migrating-imap-mailboxes/migrating-imap-mailboxes

So I sort my local folder by size and noticing that Thunderbird is reporting the largest email message I have is 27Mb, I started experimenting by copying a single large email message first. This single email message copy operation timed out.

Once upon a time in a very early iteration of Thunderbird, the IMAP connection timeout was configurable. See https://www.ecenica.com/support/answer/how-to-fix-connection-to-server-timeout-error-in-thunderbird/

After a few minutes, I also notice that the single large email message eventually makes its way to Outlook Live because I can eventually see the email message and even download the large attachments from it. This would suggest that Outlook Live is not timing me out as the server is still taking in the large email message. Instead, Thunderbird is timing me out.

Is there a way for me to get to this setting in the current version of Thunderbird?

Asked by laugher 2 years ago

Answered by sfhowes 2 years ago

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syncing thunderbird email with gmail, google contacts on Windows 10

Finding it v difficult to sync thunderbird email with gmail, google contacts and google calendar on Windows 10. Not easy and addons don't seem to be there. May go back to… (read more)

Finding it v difficult to sync thunderbird email with gmail, google contacts and google calendar on Windows 10. Not easy and addons don't seem to be there. May go back to using gmail as email client.

Asked by pchecketts 1 year ago

Answered by Stans 1 year ago

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Thunderbird suddenly rejects my pop.gmail.com password.

Three days ago, Thunderbird started to give me a "Sending of password for user xxx.xxx@gmail.com did not succeed. Mail server pop.gmail.com responded: Username and passwo… (read more)

Three days ago, Thunderbird started to give me a "Sending of password for user xxx.xxx@gmail.com did not succeed. Mail server pop.gmail.com responded: Username and password not accepted.

I checked that it was accurate in the Saved Passwords panel and it is. I've entered it manually and still get the error message.

When I log onto Google from any browser with this account, it accepts the password. I can then access my gmail account with no trouble. My Firefox password manager shows the same password that is rejected by TB. My Gmail Android app on my smartphone and tablet also accept my logons with the same password. Only Thunderbird doesn't. I've tried deleting my pop.gmail.com login entry and re-creating it under the xxx.xxx@gmail.com account.

I had a Google Security warning 3 days ago, so suspect somebody might have hacked the account, changed the password, but didn't save his new password anywhere, so I have no idea what new password he might have changed it to. I am going to try changing my entire Google password and see if this will allow me to reset the TB password, but any other suggestions would be appreciated.

I have several other gmail accounts on Thunderbird and all of my accounts use the same passwords set for their accounts.google.com under the separate gmail addresses. How do I find out what to do to fix it?

Asked by Beartooth 1 year ago

Answered by sfhowes 1 year ago

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Messages sent do not appear in "Sent" folder

Recently there have been days when sent e-mails have not appeared in the Sent folder. I have compacted the folder but no change. My e-mail address is hotmail.co.uk so I h… (read more)

Recently there have been days when sent e-mails have not appeared in the Sent folder. I have compacted the folder but no change. My e-mail address is hotmail.co.uk so I have looked at it in the web browser, which shows the same gaps in Sent messages as Thunderbird. Is this a Thunderbird or Microsoft problem and how can it be fixed? Thank you.

Asked by Lampman 2 years ago

Answered by Stans 2 years ago

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There is no default mail .. (THUNDERBIRD ON WIN 10)

Dear community, my customer is unable to send invoice email from his management software. They get the error "There is no default mail client or the current mail client..… (read more)

Dear community, my customer is unable to send invoice email from his management software. They get the error "There is no default mail client or the current mail client...." I tried different solutions to set thunderbird as default mapi clint like changing registry key and reacreating mapi32.dll but without success. INFO: thunderbird 32 bit (last release), win 10 64bit

Can you please help me? Thanks

Asked by Paolo Ziggy Bala 1 year ago

Answered by sfhowes 1 year ago

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Importing google contacts via CardDAV with ThunderBird Beta version 85

Good Morning! I installed Thunderbird Beta version 85, which in its release says "Address book: Added support for OAuth2 CardDAV providers". As Google also reported that … (read more)

Good Morning! I installed Thunderbird Beta version 85, which in its release says "Address book: Added support for OAuth2 CardDAV providers".

As Google also reported that it implemented CardDav, and then I understood that when setting up my google account on Thunderbird Beta version 85, it would also import my contacts, in addition to email messages.

Did I get it wrong, or do I have to execute a specific command / procedure for importing contacts from my google account?

I used the gContactSync extension before, but it stopped working after version 73.

Please ask for help, to import my contacts. Thank you very much, Luciano

Asked by lboni2 1 year ago

Answered by sfhowes 1 year ago