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Old 9 Mar 2020, 09:10 AM   #2
BritTim
The "e" in e-mail
 
Join Date: May 2003
Location: mostly in Thailand
Posts: 3,095
I have never seen this message, but it ought to mean that there is a non printable character in your note that FastMail does not allow. Are you trying to enter characters in a foreign language?
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