You're comparing apples and oranges. POP3 is for accessing/reading emails, SMTP is for sending.
Check http://www.berezniker.com/content/pages/visual-foxpro/read-pop3-mail-using-winsock and http://www.berezniker.com/content/pages/visual-foxpro/send-email-cdo-2000

>I want to add email capability in my app.
>
>I'm considering MarshallSoft's solution.
>
>Anyone here using it? If not you have something else to suggest?
>
>What are the advantages/disadvantages of Pop3 over SMTP for processing emails?