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Mail opens in "reply" mode

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Incoming mail is suddenly opening in edit mode. An error message says "A unique identity matching the from address was not found. ... " What has happened?

Incoming mail is suddenly opening in edit mode. An error message says "A unique identity matching the from address was not found. ... " What has happened?
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Hello there dwessel. We have read your message . We try to help you.


Please see this post and the referenced bug report:

https://support.mozilla.org/en-US/questions/1245998




Greetings Firefox volunteer.

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The archived bug report 1245998 from three years ago (version 60) was a somewhat similar problem and the workarounds were helpful but don't solve the problem we have now with the new version 91.10.0. I personally have never had this problem in 10-plus years, so it seems to have been a bug introduced with the most recent version. For others who come across the problem, here are two workarounds in the meantime. 1: Ctrl-O opens the email normally (in read mode). 2: Usually I just move the email into the folder where I'm going to be filing it anyway, and read it there. Emails seem to be opening properly everywhere EXCEPT the Inbox.

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Thank you for using Thunderbird Software.




Greetings Firefox volunteer.