Subject: Guest Post Idea: [Your Topic] for [Their Blog Name]

Hi [Name],

My name is [Your Name], and I'm the founder of [Your Company], where we specialize in [Your Area of Expertise].

I'm a long-time reader of [Their Blog Name] and I particularly enjoyed your recent article on [Article you liked]. Your insights on [Specific point] were spot on.

I'm reaching out because I have a guest post idea that I believe your audience would find incredibly valuable. The topic is "[Your Guest Post Title]".

This article would cover:

• [Key Point 1]
• [Key Point 2]
• [Key Point 3]

I've already published articles on authoritative sites like [Link to your previous work 1] and [Link to your previous work 2], so I'm confident I can deliver a high-quality, in-depth, and original piece for your blog.

Would you be open to me sending over a draft?

Best regards,

[Your Name]
[Your Title]
[Your Website]
[Your LinkedIn/Twitter Profile]