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Hi,

 After installing Thunderbird 115, when sending an email, very often I will receive an email alert stating (see image - spanish screenshots):

Delivery failure: An error occurred while sending mail: outgoing server error (SMTP). The server responded xxxxx.domain.net Errro: timeout exceeded.

The update to Thunderbird 115.0.1 broke the "Unified folders".

I have two eMail accounts: - the first on a custom server, I do not know its characteristics - the second is an Office365 institutional account

Only the account on the on the custom server is shown in the Unified Folders.

The second account is shown as a folder in the Unified Folders pane, at the same level as "Archives", "Junk" and "Deleted".

I have tested one solution reported to be working: https://support.mozilla.org/en-US/questions/1003446

It does not work in my case.

Any help?

TB upgraded to 115.0.1 this morning, (although PCMatic has been telling me this had happened yesterday). Now I find that Search (Ctrl-Shift-F) no longer gives consistent results, and never end searching.

Manjaro 23.0.0 Thunderbird 115.0.1

Before the update to Supernova, Thunderbird light theme used the system color for the UI elements highlight. In my case, green. Now it is blue everywhere, which irritates my eyes. I attached before and after images, so you have an idea. Can I get back the green?

W10, TB Version 115.0.1 (64-bit).

Follow menus to apply columns to folder and its children and select email address. That works for all the subfolders of my email address just as explained in the help. Try the same for "Local Folders". It asks whether I want to apply the columns I'm looking at to Local Folders and its children. Answer OK. Nothing happens. Other folders in Local Folders still have their old columns and arrangements.

When I click on a thunderbird notication, I expect it to open to open thunderbird and show me the new mail. However, when I updated to 115.0.1 I noticed that feature is now broken.