21. Once ‘Akismet plug-in’ is activated take the following steps.

a. Click on ‘contact’ at dashboard to enter contact form 7 page

b. click on edit (At contact form 1)

c. The template of your contact form will be visible.

d. Replace the default form with the following code to make it anti spam

<p>Your Name (required)<br />
[text* your-name akismet:author] </p>

<p>Your Email (required)<br />
[email* your-email akismet:author_email] </p>

<p>Subject<br />
[text your-subject] </p>

<p>Your Message<br />
[textarea your-message] </p>

<p>[submit "Send"]</p>

Now you are done. By doing this your contact form would be at least anti spam but without captcha.

1.* A CAPTCHA (an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") is a type of challenge-response test used in computing to determine whether or not the user is human.

Any question and suggestions regarding this is welcome. Best wishes.