[Wolves] Mail servers

[Ron Wellsted]

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Adam Sweet wrote:
> Dave Morley wrote:
>> Okay this is confusing me now :(  I got Maildir setup nicely now \o/  My
>> only issue now is that I can only send messages via my local network.
>> While this is probably the most secure method it would be nice to send
>> mail when not at home.  Any clues gladly received as to what I've
>> missed :)
> 
> You probably have a setting which permits mail from your local network,
> ie 192.168.1.0/24 or whatever your local lan addresses are. You have 2
> choices, one bad but easy and the other hard but the best solution.
> 
> The first is to allow either the whole Internet or every address you are
> ever going to need to send mail from to relay through your machine. This
> is bad and I'm sure you can see why. You'll become an open relay as
> there's no hope of ever knowing every IP address you'll use. You could
> SSH in and allow each IP your on at the time, but you'll need to allow
> SSH from everywhere and it will be a pain in the ass just to send mail.
> 
> The other is to set up SMTP authentication, which is harder. You're
> using Postfix if my memory servers correctly and I don't know how to do
> this in Postfix off the top of my head but I'm sure there are hundreds
> of howtos out there, notably on Howtoforge. Be sure to keep a copy of
> your existing config before changing anything so you can out it back if
> it all goes wrong.
> 
> Then again, if you're using Webmin as I recall you might be after Ron's
> talk, then maybe Webmin can do this for you.
> 
> Remember to allow everything from 127.0.0.1 and optionally your local LAN.
> 
> Ad
> 

Another option is to setup a webmail client on the server, which will
allow you to access email remotely.

This is due to be covered in Part 3 of the series.

- --
Ron Wellsted
ron at wellsted.org.uk http://www.wellsted.org.uk
N 52.567623, W 2.136111 Linux Counter No. 202120
Ekiga: 645022
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