On 20-Oct-2009, at 17:03, Evan Platt wrote:
At 03:58 PM 10/20/2009, you wrote:
Domains cost about $10 a year. Static IP addresses depend on your ISP.
Some are cheap, some are not, and some won't do it at all. However,
you do not have to have a static IP. You can use a service like DynDNS.org , which I think is about $20/year (they have free hosting, but for a
mailserver you're not going to be able to use just the free dynamic
DNS service).

Why wouldn't the free DYNDNS work for a mailserver?

Because many mail servers will not talk to you directly on a dynamic IP and will not accept outbound mail from you on a dynamic IP. Also, if your connection goes down, or you reboot your machine, having someone acting as backup for you is useful.

(well, ok, technically my mailserver is a anti-spam box, which then relays the mail to my sever)

Completely different then.

but I did at one point have my home mail server be the direct mail server while running dyndns's free service...


And I'm sure you missed a lot of mail that way.

--
Bishops move diagonally. That's why they often turn up where the
        kings don't expect them to be.

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