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if you're using silverstripe fulltextsearch, there's an fts_quickstart script that ships with it

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public static function obfuscate($email, $method = 'visible')

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@shanka I think there's one built into the framework Email::obfuscate(...)

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You might be able to get away with deleting that one record and attempting to do a new insert

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You might have to drop the table, the content probably won't migrate automatically

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the correct collation would be utf8mb4_general, rather than the default latinwhatever MYSQL sets up for you

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It could be your underlying database is not setup for UTF8