Your subject line and signature are the first and last impressions of your outreach message, and they can make or break your response rate. Your subject line should be catchy, relevant, and personalized, and not sound like a spammy or generic email. Use their name, a reference to something they did or said, or a benefit they can get from opening your message. For example, instead of saying "Sales opportunity for you", say "Hey John, how to boost your sales in 2021". Your signature should be professional, friendly, and include your name, title, company, and contact details. You can also add a photo, a logo, or a social media link to make it more personal and trustworthy.
By following these tips and best practices, you can make your outreach messages more personal and effective, and increase your chances of getting more responses and building rapport with your prospects. Remember, personalization is not just about using their name or company, but about showing them that you care about their needs, goals, and challenges, and that you have a solution that can help them.