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Subject: Re: more newbie questions
From: learning user (mailaccount200001yahoo.com)
Date: Tue Jun 13 2000 - 18:23:35 CDT

--- Tan Swee Heng <sweehengmagix.com.sg> wrote:
> I don't understand your setup. Since your machine has a dynamic IP, it
> may change every now and then. Now, suppose I want to send mail to you
> using you[IP addr].
>
> Qn: How am I to know which IP your machine is using?
>
> If the mail sender already has problem deciding how to address the mail,
> what do you expect Postfix to do? There is a reason why ppl use
> younice.domain.name and DNS instead of just you[IP addr].

more like usernamedialup.ipsuffix.ipblock.customer.longcityname.longispname.net

I frequently send and receive mail to raw IP addresses, even short-
term dynamic IPs. Obviously, I can't use this as a permanent address,
but it works quite well for things I want to come directly to me.

Some sites even offer short term dns (not mx records or mail
storage though), such as justlinux.com. They can always look
me up there.

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