Fix the contact form 7 issues on WordPress website

HI,
I have expertise in theme based work of WordPress. I have excellent knowledge in CSS, XHTML , JavaScript, and Jquery and able to produce all leading browser compatible layouts with W3C standards.

I have more experienced in fix the contact form 7 issues. like

1. Email not sending and receiving

2. Success message display but email is not receiving.

3. Contact form 7 message body problems

4. Contact form 7 File Uploading and Attachment

5. Spinning Arrow Keeps on spinning after clicking submit button

6. wp-mail-smtp plugin configuration

7. Design the contact form 7 layout as your wish