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  1. #18
    rebmeM roineS enilnOitnA steve.milner's Avatar
    Join Date
    Jul 2003
    Quote Originally Posted by moxquito View Post
    Good point...

    however mail is received into a domain via POP from an SMTP server, so my original statement still stands unless you are authorized on the domain to send mail, either by way of IP from the domain or authenticated by some other means, you will not be able to connect to the SMTP server to send mail.

    try randomly connecting to any SMTP server not on your domain and see if you can. If you find one the domain is open for relay. I guarantee you will not find many if any.
    *** Sigh ***

    This probably isn't worth a long argument....

    Personally, I think you're wrong.

    Mail is sent generally like this

    Mail Sending Client (Outlook) --SMTP(YMMV)--> Your Domain Mail Server --SMTP--> Receiving Domain Mail Server --POP(YMMV)--> Mail Receiving Client(Outlook)

    The bit where the Sending & Receiving mail servers talk to each other is almost always SMTP, and needs to support SMTP to remain compliant to the RFC in any case.

    This is the bit you do, by pretending to be a sending mail server when you telnet to the Receiving Mail Server on port 25.

    And if you want to PM me with your mail address, I'll connect to your domain's mail server, directly, and pretend to be Atilla The Hun and send you a mail

    Any yes Nihil, you're absolutely spot on, with out law enforcement all this is pretty much worthless at proving anything.



    Last edited by steve.milner; February 6th, 2009 at 04:14 PM.
    IT, e-commerce, Retail, Programme & Project Management, EPoS, Supply Chain and Logistic Services. Yorkshire. http://www.bigi.uk.com

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