CompTIA A+ 220-702: 3.1 – Troubleshooting Mail, FTP, and Proxy Settings


A misconfigured application can cause connectivity problems, even when the network is operating perfectly. In this video, you’ll learn about the settings for SMTP, IMAP and POP mail protocols, FTP clients, and browser proxy settings.

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Filed Under: CompTIA A+ 220-702

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  • Alex

    why it says POP3 port 995, I thought it was 110!! why?

    • http://www.ProfessorMesser.com Professor Messer

      Just because a protocol can use a well-known port doesn’t mean it has to!

    • http://www.ProfessorMesser.com Professor Messer

      Just because a protocol can use a well-known port doesn’t mean it has to!

    • http://www.ProfessorMesser.com Professor Messer

      Just because a protocol can use a well-known port doesn’t mean it has to!

  • Alex

    why it says POP3 port 995, I thought it was 110!! why?

  • Alex

    why it says POP3 port 995, I thought it was 110!! why?