Thunderbird 140 can connect to mail.twc.com to retrieve via IMAP, but cannot connect to SMTP to send

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 … (czytaj dalej)

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.

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Bonjour, j'ai déjà un problème pour la réinstallation de ce logiciel.

Bonjour, hier j'ai installé Thunderbird sur mon nouveau MacBook, j'ai récupéré tous mes mail, mais en fin de journée, il a disparu. Comment fais-je pour le réinstaller sa… (czytaj dalej)

Bonjour, hier j'ai installé Thunderbird sur mon nouveau MacBook, j'ai récupéré tous mes mail, mais en fin de journée, il a disparu. Comment fais-je pour le réinstaller sans avoir à verser un nouveau don ? Par avance merci pour votre aide. Pourriez-vous me joindre au X Cordialement, Catherine

(PII redacted by moderator)

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Cannot save photos sent from iPhone as jpg on our hard drive. Have done this for ten years until yesterday.

As a twelve or more years user of Thunderbird, I find it to be okay most of the time. I hate the spam folder that does not learn and I hate threads. Today all of a sudden… (czytaj dalej)

As a twelve or more years user of Thunderbird, I find it to be okay most of the time. I hate the spam folder that does not learn and I hate threads.

Today all of a sudden, I cannot save photos sent from my iPhone as jpg. I have always right clicked and a menu has appeared. Today, the right click just zooms in which I never want to do when I am trying to save.

I tried searchig online first before coming here. Apple is claiming that Thunderbird developers made a mistake and that is why the right click is not working. AI had me try a bunch of different techniques none of which worked.

When I do save after much effort, the "photo" in my Animals folder appears as the Thunderbird logo instead of the real item itself. The other weird thing is that my folders also do NOT show up where they should when I am trying to save. The menu doesn't give me all the folders as it always has. Instead it just say All Files which is not adequate.

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je ne peux plus envoyer de mail depuis mon compte SFR dans thunderbird messagerie

lors de l'envoi d'un email, j'ai ce message d'erreur : Une erreur est survenue lors de l’envoi de l’e-mail. Le serveur de courrier a répondu : Client host rejected by spa… (czytaj dalej)

lors de l'envoi d'un email, j'ai ce message d'erreur : Une erreur est survenue lors de l’envoi de l’e-mail. Le serveur de courrier a répondu : Client host rejected by spamhaus for spamming issues; please refer to Listed by XBL, see https://check.spamhaus.org/query/ip/xx xx xx xx for further information.

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On September 16, 2026, just before midnight, my Thunderbird received its last email. Using POP3 hosted by iPage (merged with Network Solutions. Thunderbird can still SEND emails, but cannot receive email.

On September 16, 2026, just before midnight, my Thunderbird received its last email. We have been using POP3 hosted by iPage (recently merged with Network Solutions.) … (czytaj dalej)

On September 16, 2026, just before midnight, my Thunderbird received its last email. We have been using POP3 hosted by iPage (recently merged with Network Solutions.) If I log into Roundcube webmail, we are still receiving all our emails. Thunderbird can still SEND emails, but cannot RECEIVE ANY email. Literally nothing happens when i toggle the "download" icon; no messages, no prompts, Nothing happens. Please help, I need to get our Thunderbird working Again. Thank you, Duane Delp, Operations Nextru,Inc. www.nextruk.com

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Which installed fonts will Thunderbird actually use?

I've been using Thunderbird for about two months now and I just realized that Thunderbird (150.0.1) seems to be unable (or unwilling) to use some of the fonts that are on… (czytaj dalej)

I've been using Thunderbird for about two months now and I just realized that Thunderbird (150.0.1) seems to be unable (or unwilling) to use some of the fonts that are on the computer (Windows 10, plenty of RAM and disk space).

Let me explain that I don't send a lot of emails, and most of the ones I do send are just a few lines so I had not had any reason to bother with the font -- the default font was fine -- until today...

Today my experience with fonts in Thunderbird was extremely disappointing. It started when I was composing an email and I copied/pasted some text from a web page into the email. Rather than treating the pasted text as simply text to have in the default font, Thunderbird put it in some strange font and size. This might have been Thunderbird's attempt to use the font from the website but neither the font nor the size resembled the text that I had copied/pasted. That was when I noticed that Thunderbird does not let you choose the actual size but only offers the choice to make text larger or smaller. Making the text smaller was sufficient for that particular time.

As I finished the email, I tried to sign my usual signature. Thunderbird lets you choose the font but once I had chosen the font that I routinely use for my signature, I discovered that Thunderbird totally ignores the choice that it just let you make. Instead of displaying the signature in the chosen font, it displayed my signature in a plain sanserif font.

I could live with a limited choice of fonts -- I have used another program where the only choices were serif and sanserif -- but I cannot understand why Thunderbird would offer a font choice menu that includes all my installed fonts when it actually only honors three choices. The only fonts reliably used seem to be some generic sanserif font that Tunderbird calls Helvetica/Ariel, a generic serif font that it calls Times and another serif font it calls Courier.

The dropdown menu lets me choose any of the fonts I have installed, some of them display properly while composing the email, others don't. If I send the email to another of my email addresses, Thunderbird displays the text the same way -- some fonts are correct and some fonts get replaced with one of Thunderbird's generic fonts.

I'd really like to have all my fonts available -- but that doesn't seem to be possible with Thunderbird so I guess I need to figure out which fonts Thunderbird is willing to use.

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Thunderbird reinstall, cannot connect to recent profile. Appears to have installed in two locations.

Hi, hoping someone could help as I am struggling to get my information back. I am using Ubuntu Cinnamon. Thunderbird crashed last night, wouldn't work, tried safe mode. N… (czytaj dalej)

Hi, hoping someone could help as I am struggling to get my information back. I am using Ubuntu Cinnamon.

Thunderbird crashed last night, wouldn't work, tried safe mode. Nothing fixed it. It hung when opening up and after 30 seconds said force quit. So I was forced to reinstall. I did a manual backup but not using the inbuilt tool as I couldn't get into Thunderbird. I just copied the data from username/.thunderbird

After spending a long time uninstalling. Because it reached 78% and then crashed on uninstall. Eventually after reading various pages on the internet I managed to reinstall from the Ubuntu software manager using the latest snap version. (Which I am not sure was what was actually installed previously).

However having used thunderbird for nearly 20 years or so. I have a username/.thunderbird folder. And when I moved to this platform, I have a snap/thunderbird/common/.thunderbird folder.

I installed this new distro 2 years ago, and remember having issues getting my data into the system under Snap. But eventually got it to work somehow back then.

However since reinstalling I cannot see the last 2 years of emails, archives or data. It has launched into a 2 year old profile. I appear to have lost most of the emails from the archive folders (but kept the folders) removed all of the personal folders but then dumped all those emails into my inbox. Giving me 6500 emails that were in various personal folders. (I don't get 6500 emails in a year so don't know what has happened.) It has even changed all of the new dates to the US format, so nothing makes any sense.

I now have 2 Thunderbird profiles, over 12GB in size. And have apparently lost 2 years of my life. But reading support pages, suggests I should be okay because thunderbird doesn't delete data when you reinstall?

I have looked through various other threads which talk about pointing it at the profiles and mail boxes, however nothing works.

Any help much needed.

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TBSync no longer works - what alternatives are there?

I have Thunderbird 155.0 installed and also, TBSync + Google-4-TbSync to synchronise contacts between TB and Google. However, I have just realised it hasn't been working … (czytaj dalej)

I have Thunderbird 155.0 installed and also, TBSync + Google-4-TbSync to synchronise contacts between TB and Google.

However, I have just realised it hasn't been working for several months and TBSync is no longer compatible.

Are there other tools/techniques available to sync the contacts with Google?

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I have a trojan in my email somewhere.

I have a trojan in one of my emails. Every time I start TB McAfee catches the bug. I cannot find it. What processes does TB execute while loading. I want to be able t… (czytaj dalej)

I have a trojan in one of my emails. Every time I start TB McAfee catches the bug. I cannot find it. What processes does TB execute while loading. I want to be able to isolate the the bug. What tools can I use in TB to help with this.

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TB trying to download all messages again

My TB installation got corrupted due to a hardware/disk issue. On restoring it from backup TB keeps trying to download all messages again. I know this is something to do … (czytaj dalej)

My TB installation got corrupted due to a hardware/disk issue. On restoring it from backup TB keeps trying to download all messages again. I know this is something to do with the popstate.dat file but I can't seem to stop it. What do I need to do?

Also, I had never noticed this before (because I never looked at the TB file system) but TB created multiple folders for the email account.pop.mail.yahoo-1.com up to pop.mail.yaho-4.com. Why does it do this and is there a way to get back to just one file? Is this something to do with TB crashing or what?

Is it using all of these files or just the latest and how do I know? All of these folders have a popstat.dat file and one has multiple following the popstat-1.dat etc.

I've no idea how to recover from this. Any help would be much appreciated.

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Cannot Save an Embedded Image in 156

In 156, I can no longer click on an embedded image to save the file. It just enlarges the image. I know this has happened and been reported in the past. Are others see… (czytaj dalej)

In 156, I can no longer click on an embedded image to save the file. It just enlarges the image. I know this has happened and been reported in the past. Are others seeing this same problem now in 156? Thanks!

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connectivity between devices issue

I use Thunderbird, download on my PC computers (desktop and laptop) and on my iphone (using apple email set up - not Tbird app). I have noticed the folders are not synce… (czytaj dalej)

I use Thunderbird, download on my PC computers (desktop and laptop) and on my iphone (using apple email set up - not Tbird app). I have noticed the folders are not synced on all three devices. Some are missing. Am I not doing something to sync them?

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CReER UN CARNET D'ADRESSE en excel

Comment créer une nouvelle liste de contacts de type excel. Rmq générale ... Thunder évolue et c'est bien. Apparaissent de nouvelles propositions et sous-programmes / n… (czytaj dalej)

Comment créer une nouvelle liste de contacts de type excel.

Rmq générale ... Thunder évolue et c'est bien. Apparaissent de nouvelles propositions et sous-programmes / nouveaux noms sans les définir préalablement , ce qui suscite la méfiance.

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