Thursday, October 26, 2023

Thunderbird - Red Exclamation Mark on Recipient Address in Compose


Red exclamation mark next to an email address in the compose box. Originally I copied the email address from OSTicket. It looked like this "" with bold on the "t". This was the invalid character. Strange because now I can't reproduce it.


There's a non-windows character in the name somewhere. Try typing the name in directly vs copying and pasting the address from another program.


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