Re: SMTP gateway

On Sat, 20 Aug 2005 11:50:11 -0600, "Frank" <frank673@xxxxxxxxxxx>
wrote:

>in order to be able to send an email, do I have to specify and SMTP gateway?
>how would a server know that an email should be relayed to a specified
>server? Thanks.

A SMTP "gateway" is just a SMTP server that accepts mail for a range
of IP addresse4s, there's nothing special about it. And yes, to send
mail you have to specify a SMTP server. As for how it knows where to
send it, that's magic. :)

Okay, that's what DNS does, in conjunction with your SMTP server and
mail client. It's like the post office. How does the mailman know
what house to deliver to? Yep, the address on the message itself.
How does he know that he delivers to the Smith's house on Sesame
Street if there's no address? That's right, he looks up the address
somewhere.

Same thing only faster and electronic.

Jeff
.

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