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After Thunderbird Desktop Version 128.4.3esr, sending email has been really slow.

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After Thunderbird Desktop Version 128.4.3esr, sending email has been really slow. Windows: Windows 10 or later

The send bar takes a lot longer to finish now.

Do I have to disable anything or do something to get email to send faster?

After Thunderbird Desktop Version 128.4.3esr, sending email has been really slow. Windows: Windows 10 or later The send bar takes a lot longer to finish now. Do I have to disable anything or do something to get email to send faster?

Modified by vcallinan

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Start Windows in safe mode with networking enabled https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode

Still in Windows safe mode, start Thunderbird in Troubleshoot mode https://support.mozilla.org/en-US/kb/troubleshoot-mode-thunderbird

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