To start with, you should have an MX entry in DNS. These entries have a priority field in them, so if you had someone willing to hold your mail for you until the primary came back up, as well as MX entries for both, with different priorities the magic will all happen automagically.

As for configuring a mail server to take mail for you if you're not there I can't say I have any expertise. I'm sure that it can be done.

Also, assuming your DNS isn't going down mail should queue up on the sending servers. I've heard of messages sitting for something like 30 days in some queues. Then when you come back up all of your mail will get dumped on you within a day or so.

So if your DNS is going to stay up you shouldn't lose any mail. Some people will get dilivery delay notices though, but that's okay.

[EMAIL PROTECTED] wrote:
Question: I am running my own mail server for a little while now and An occasion has come up where i have to take it offline for a day or so. Does anyone have some pointers on how to setup a mail caching server, how does it work, where do i start. Any and All advice would be helpful.

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