Re: [COMP] Email and ISP's

Is there a way to find out who the ISP is from the IP address?

Sherry

----- Original Message -----
From: Kevin Casper <disscusion@xxxxxxxxxxx>
To: <computers@xxxxxxxxxxxxxx>
Sent: Thursday, October 14, 1999 1:09 PM
Subject: Re: [COMP] Email and ISP's


>
> >I am changing ISP's and for a short time have two to play with.  I
> >noticed that I can fetch mail from ISP # 1 while being connected
> >through ISP # 2.  This surprised me as I thought you had to connect
> >directly to an ISP in order to get your mail there.  I guess my
> >question is, how is this possible, since ISP # 1 never checks for a
> >login id or password?
> >
> >Thanks,
> >Kurt
>
> The basic answer to how this is possible is that every function of
> everything on the internet has an IP address. You know that long series of
> numbers that every server on the internet has. Well when you enter the
name
> of a email server to say a pop mail server that name is translated into a
IP
> address. From there a dns server(either the ISP's server or an internet
> router servers for this) sends your request to the server of the pop mail
> account. Basicly your ISP's server has very few ways of telling the
> difference between someone connected to them by slip and someone
connecting
> to them through their T-1 or whatever they have.
>
> That you can connect without a password means that ISP needs to do a
better
> job of setting up their server and that not a issue I care to discuse.
>
> Kevin
>
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