Provide a clear example of a similar job you have done in the past.
I have done work with many organizations with their all social media channels like facebook, Twitter, LinkedIn and Youtube. I did run facebook paid campaigns and got good results.
Proposal:
Dear Hiring Manager,
I am very much interested in your posted job involving these skills. I am an expert in social media marketing, social media management, email marketing, internet marketing, ON page SEO, Off page SEO, SEM, Landing page designing, content marketing and niche marketing. I can do a complete setup of social media and emails to get sales done. I will follow your all the instructions and able to do work accordingly. I am very good in communication to response all questions in time. Please give me a chance to offer my services to you. Looking forward your positive response.
Best Regards,
Imran