What port do you send the email to on the company SMTP server?

You are working in the security Department of law firm. One of the attorneys asks you about the topic of sending fake email because he has a client who has been charged with doing just that. His client alleges that he is innocent and that there is no way for a fake email to actually be sent. You inform the attorney that his client is mistaken and that fake email is possibility and that you can prove it. You return to your desk and craft a fake email to the attorney that appears to come from his boss .

What port do you send the email to on the company SMTP server?
A . 10
B . 25
C . 110
D . 135

Answer: B