I'm trying to create a more engaging email newsletter for my audience. Can you provide some tips on how to make it more effective and engaging? Your ENTIRE response should be in English, and in all lowercase letters. no capital letters are allowed. your response should contain at least 10 sentences. include keywords newsletter, engaging, content, design, personalization, and subject line. at the end of your response, please explicitly add a postscript starting with p.p.s

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