martinlee Which one is correct? Either will serve, but I suspect that 'on the line' and 'in the box' are the expected.
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martinleeWhich one is correct?Either will serve, but I suspect that 'on the line' and 'in the box' are the expected.
martinleeSo is "Just write 'newsletter' on the subject line in the box."more appropriate'?That sounds OK, too, but you probably don't need to be so detailed. It is difficult to judge without actually seeing the location being indicated.