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Migrating POP3 to SMTP incoming mail (Was:Using Smart Host)

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  • Migrating POP3 to SMTP incoming mail (Was:Using Smart Host)

    At the moment I'm using our IPS and POP3ing the emails down thus using their existing filtering for Spam. I've read a lot (and been advised) that I should configure SMTP fo incoming email but cannot really see the argument for it against POP3?

    Be interested on feedback on this.

  • #2
    Re: Using Smart Host

    I can give you plenty of reasons why using the POP3 connector is a bad idea.
    http://blog.sembee.co.uk/post/Why-yo...Connector.aspx

    I am yet to hear any good reason why using the POP3 connector is a good idea.

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
    More Exchange Content: http://exchange.sembee.info/
    Exchange Resources List: http://exbpa.com/
    In the UK? Hire me: http://www.sembee.co.uk/

    Sembee is a registered trademark, used here with permission.

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    • #3
      Re: Using Smart Host

      I'd also like to point out that using SMTP for inbound email is NOT using a smart host.

      When you send email out via Exchange, it communicates directly with the destination mailserver using SMTP.
      If you enable Smarthost, when you send an email out from exchange, it sends the email via SMTP to the Smarthost, which then sends it to the destination computer.


      I hope I've explained that correctly, and you can understand - please let me know if you need me to clarify
      Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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      • #4
        Re: Migrating POP3 to SMTP incoming mail (Was:Using Smart Host)

        1) Instant Mail
        2) Control over your enviroment
        3) Instant Mail
        4) Easily being able to change mail host if something goes down, if the pop3 server goes down, you just have to wait
        5) Instant Mail
        6) Did I say that your email will actuly be instant?
        7) A pop 3 mail box is just one more thing that can kill your email.

        I use alot of sites that have pop3 still, and we are slowly changing them over to SMTP. The only reason they are on Pop3 still is the company that owns there domain and the mail address will not allow us to use SMTP. All of our customers that we have been able to swtich over to smtp email, we have not had to touch. I still log on almost daily and clear a large email, or a dead header or SOMETHING out of the pop3 mail boxes.

        A smart host is a good idea to help avoid getting marked as a spammer, as I think its about the ONLY way to not get marked as a spammer these days (at lest in my part of the world).

        Wofen
        Good to be back....

        Comment


        • #5
          Re: Migrating POP3 to SMTP incoming mail (Was:Using Smart Host)

          POP3 send user names and passwords in clear text over the network. Anyone "sniffing" that communication will be able to see those passwords!
          Scenario: John Smith uses JohnS as his network username with his local password. He has a mailbox "[email protected]" at the isp. Who wants to bet that John Smith will use the same password to get his mail from the ISP as he does to login to the network?
          Do you see where I am going?
          Last edited by teiger; 13th October 2010, 01:52. Reason: Typos
          TIA

          Steven Teiger [SBS-MVP(2003-2009)]
          http://www.wintra.co.il/
          sigpic
          Iím honoured to have been selected for the SMB 150 list for 2013. This is the third time in succession (no logo available for 2011) that I have been honoured with this award.

          We donít stop playing because we grow old, we grow old because we stop playing.

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          • #6
            Re: Migrating POP3 to SMTP incoming mail (Was:Using Smart Host)

            Originally posted by teiger View Post
            POP3 send user names and passwords in clear text over the network. Anyone "sniffing" that communication will be able to see those passwords!
            Scenario: John Smith uses JohnS as his network username with his local password. He has a mailbox "[email protected]" at the isp. Who wants to bet that John Smith will use the same password to get his mail from the ISP as he does to login to the network?
            Do you see where I am going?

            Thank you teigar, you might of just shown me where a hole in my network is. THANK YOU THANK YOU THANK YOU.

            Did not even rememeber how un-safe pop3 is.

            Wofen
            Good to be back....

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