3G Dongle Internet

We have a client who has no internet at the moment, we have a 3G dongle what is the best way to get at least email flow restored over a 3G Dongle??

This is only a temp solution so not ideal but any ideas would be appreciated.
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Alex YoungAsked:
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Alex YoungAuthor Commented:
sbs 2008 as well
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Simon Butler (Sembee)ConsultantCommented:
You will be able to get outbound email over the 3G connection, but it is unlikely you will get inbound. Most of the 3G data services do not provide a static routable IP address.
Therefore you will need to route the email to another server that you can VPN in to to collect the email. I do this with my clients for this exact scenario. I have a server on the internet running IIS SMTP. Email is delivered to that server, the actual server VPNs to my server and email goes over the VPN.

Simon.
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Darr247Commented:
You can also buy a DynDNS Pro account to point dynamic IPs to the same domain.  Most routers support updating DDNS accounts whenever the IP changes. Speaking of routers, if your dongle is listed on the Modem and Accessory Info tab on the Cradlepoint MBR95's page, you won't have to install any software on the server to use the dongle for access. Those are about $120 USD on Amazon.
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Simon Butler (Sembee)ConsultantCommented:
If you are getting a 10.x.x.x address, which is what most of the 3g data connections seem to provide, a dynamic DNS account isn't going to work. It isn't the IP address being dynamic that is the issue, it is the fact that it isn't routable.

Simon.
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Darr247Commented:
They're usually dynamic, not private.
e.g. right now my 3G connection has 107.45.119.193.
In a minute I'll reboot my cradlepoint and get a different IP.  :-)
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Simon Butler (Sembee)ConsultantCommented:
That is unusual. In my experience most of the mobile providers are issuing non-routable. My Android is currently on 10.16.24.9 with a subnet of 255.0.0.0!

Simon.
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Alex YoungAuthor Commented:
Ill see what I get tomorrow does it have to be a pro account
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Simon Butler (Sembee)ConsultantCommented:
A free account would probably work.
Depends how long the internet is going to be out, because an MX record change will take 48 hours before it is fully effective.
Although you need to test to see whether you can connect to port 25 on the dongle connection or not.

Simon.
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Alex YoungAuthor Commented:
To get it working am i just plugging the dongle in and then set a new default gateway?
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Simon Butler (Sembee)ConsultantCommented:
You probably don't even have to do that.
Windows should do that for you once you have made the connection. It will be a DHCP client in effect.

Simon.
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Darr247Commented:
DynDNS doesn't offer free accounts anymore, and the free ones that grandfathered in have to logon every 30 days or the account is closed.
$25/year gives you up to 30 different host names from 260+ domains (their old free accounts were limited to 2 host names from about 3 domains).
See http://dyn.com/dns/ for their menu of offerings.

http://www.noip.com still offers a free DDNS account, as does http://freedns.afraid.org/

Here's a site that has a list of free DDNS providers:
http://dnslookup.me/dynamic-dns/
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