Reply-All storm flares as email announcing privacy policy puts 500 addresses in the ‘To’ field, not ‘BCC’

Newsletter-as-a-service outfit Substack does the usual apologising

Some advice from The Register: when announcing a new privacy policy don’t do so with emails that reveal 500 addresses in the “To” field of the message.…

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Source: Theregister.co.uk/security / Article: "Reply-All storm flares as email announcing privacy policy puts 500 addresses in the 'To' field, not 'BCC'"