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In Thunderbird, how can I stop text in the previous emails in a string turning blue?

I have looked everywhere in Settings where colour is mentioned and everything is set to black text on a white background. Nothing is set to blue.

I do not want to see blue text anywhere.

Please advise.

A couple nights ago I updated from 140.13.0esr to 140.14.1esr, then for haha's, I checked for updates again and it took the big 153.1.1esr 'Meadow' update, now it won't play the selected email notification sound that it has been playing for the last 20+ years. It will play the 'Default system sound for new email' or any other sound file in my Media folder, old ones or brand new ones I put in there, but it will not play the one that it has been playing for the past 20+ years. I delete it and add a new copy of it and it will not play that one .wav file, plays everything else, but not that one.

I have two Gmail accounts and one school account that uses Office 365. In the left panel where the inbox, drafts, etc. are, the Gmail accounts are listed in blue but the school account is listed in white. I can't see any reason for this difference in the accounts' settings. What does the difference indicate?

I have installed Thunderbird 154 in Linux Xubuntu 26.04 and I have Thunderbird working fine except for the scrollbar arrow buttons. I was able to set the scrollbars to always show but arrows do not show. What do I need to set to bring those arrow buttons back?

Hello All, I'm desperately trying to set my uninstalled and reinstalled Thunderbird to have Body Text as default. All suggestions online are outdated and don't work since suggested places in settings and account settings are not existing anymore. I have a machine at home with Thunderbird and it has Body Text as default. How on earth can I get there? Thanks

Since reinstalling Thunderbird and Firefox, When i get an email in my Thunderbird email listing, clicking a link does not open it so I have to copy it and open it in Firefox.

I have a smartcard with email signature and encryption S/MIME certificates. I recently updated the signature and encryption certificates on my card and was having issues getting TB to read the encryption certificate. Both the signature and the encryption certificates check out fine with the certificate issuer (IdentTrust), can be read by Windows, Edge, and Firefox Certificate Managers, and works fine for authentication to websites. I am wondering if I accidentally deleted the encryption certificate in the TB Certificate Manager, as the signature certificate (having same issue date and email address) is visible but the encryption certificate is not found. To see if I could restore access I have tried replacing existing profile files having dates prior to the new certificates for:

cert9.db
content-prefs.sqlite 
key4.db
permissions.sqlite
pkcs11.txt
prefs.js
SiteSecurityServiceState.bin

This restored my settings for my previous (now expired) certificates but still does not allow me to view the encryption certificate in Certificate Manager. I also tried removing the logins.json and logins-backup.json files which had no effect on ability to view the encryption certificate, and tried adding the certificate ID .

I'm hoping someone could explain what the TB Certificate Manager does when when accessing and deleting a certificate from a smartcard (it can't electronically delete it without the middleware - in this case ActivClient, and the missing certificate still remains as other apps can still access the certificate in question). I surmise that the name must be stored somewhere, and hopefully by editing the appropriate preference setting I can restore access.

Hi, I've been using Thunderbird for years. It's been a great utility. However, today when I started it up, there was a random folder (UserFolder_27) created in the system folders. There was no right click option to delete it. Here are the remedial steps I took to remove it.

• Exited Thunderbird, removed the Userfolder_27.msf file from directory, restarted. No change.
• Right clicked the main account and Unsubscribed from UserFolder_27. Exited Thunderbird, removed the Userfolder_27.msf file from directory, restarted. No change.
• In Account Settings>Copies&Folders>Message Archive the UserFolder_27 was checked (no idea why). Unchecked the main "Keep message archives in" box. Exited Thunderbird, removed the Userfolder_27.msf file from directory, restarted. No change.
• Rechecked "Keep message archives in" and selected another personal folder. Exited Thunderbird, removed the Userfolder_27.msf file from directory, restarted. No change.

Somewhere in the troubleshooting steps, it created a second Spam folder.

Any ideas on how to fix this?

With thunderbird this has just started.

I frequently send email that I have pasted part of an article from a news website. The pasted text is the standard black text. The bit pasted, when I look at my sent emails, has blue text.

All my comments on the bit pasted in my sent email are in the standard black text.

I have a folder called "imap://[username]@imap.ionos.co.uk/Sent Items". Its name, however, as displayed is "Sent", and this cannot be changed anywhere (that I can see). This is tedious because I also have a folder called "imap://[username]@imap.ionos.co.uk/Sent" which is also displayed as "Sent". This latter one seems to be a system-generated folder. This has only been an issue in relatively recent releases, previously I have been able to see "Sent Items" and "Sent" in the folder lists.

Is this a known issue? Is there is a fix? It seems like there ought to be. All I want is for the same folder name to be displayed as in the string beginning "imap: ... "

Om man gör fel vid skapandet av en mapp så att den hamnar på fel ställe i mapplistan är det svårt att rätta till. Om en mapp ligger fel i mapplistan och man skapar en ny mapp så kan den sorteras in i mapplistan i förhållande till den tidigare felplacerade mappen. Det borde finnas en knapp för att sortera alla mappar i bokstavsordning så att eventuellt felplacerade mappar hamnar rätt

154.0 (64-bit) on Windows 11

My filters are broken in Thunderbird. I have deleted and recreated some to no avail.

I moved some folders from Local to under my inbox and it said it would update the filters automatically, but noticed it didn't do this. Looking at the Filter Rules it just left either the first or second column of Perform these actions under the Filter Rules empty rather than updating them. I tried moving the folders back to see if the filters would then work, but it's a mixed bag. Some filter properly and others only go under say Newsletters, but don't filter into Newsletters > Adobe for example. Others just sit in the inbox. I've tried moving some rules to the top of the list hoping that'd give them priority to be run first, but it hasn't helped. I have a lot of filters setup to help me track newsletters, classes, meetings, job applications, etc. I've missed some responses for a couple of days because of this. Any suggestions?

So I don't miss anyone, thanks in advance.

When I attempt to write/ reply/ reply all/ forward, the toolbar at top shows only the slanted pen symbol and "Write -- nothing below. So no "Send" button. The full toolbar that I am trying to recover is attached which I copied from a second computer. When I write click that "Write" bar at the top, noting in the drop down menu had any effect. Help/About says I am "up to date" running 153.1.0esr (64 bit)

Ok small issue but annoying, I'm using a desktop install of thunderbird,and upto the last few days it has worked fine,I was using a custom sound file to inform of new emails and that was working fine,but yesterday I noticed that no sound was being played when a new email arrived,I've changed it back to default and that is not working either.

Anyone any ideas why it's not working or how to get it back to a working basis?

After a re-install of Thunderbird the Message List does not appear in columns, and there is no label bar at the top of the Message List to allow sort by date, sender, topic, etc.

How do I get the Message List to appear in column format again?

Thanks in advance.

I'm looking for a possibility to customize the font size of OUTGOING mails (not the incoming, these I could already change). For example, what term should I search for in the advanced settings?