Better yet, use Touchstone. You can test any subject line and received a projection as to open and CTRs, both for your industry and overall. Monthly, yearly plans, but if you need to use it for only a day, it's only $10. Invaluable tool.
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Better yet, use Touchstone. You can test any subject line and received a projection as to open and CTRs, both for your industry and overall. Monthly, yearly plans, but if you need to use it for only a day, it's only $10. Invaluable tool.