Change dynamic WAN IP to static

May 20, 2011 at 23:00:30
Specs: Windows XP

Hello all,

I need assistance regarding changing of DYNAMIC WAN IP to desired WAN IP to connect my
e-mail server of my office,

Problem is :

i have a dynamic WAN IP at my home internet router , and my e-mail server at office only allows assigned WAN ips to connect , I want to connect from my home, i know the WAN ips which are allowed to connect my e-mail server and i want to change my dynamic wan ip virutally to desired WAN ip for incoming and outgoing traffic from my wireless router,

What I need to do :

I need to change my dynamic WAN IP to an static desired ip at my wireless router,
kindly provide any solution as soon as possible,


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May 21, 2011 at 02:38:13
Speak to you ISP. They are the only ones that can do anything for you and may even charge for the privilege.


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May 21, 2011 at 04:30:34
thanks, but the problem is , my e-mail server only allows 4 static IPs to connect , what ever WAN ip will be given to me by ISP will be useless,

I need a third party software or any program that can virtually change my WAN ip of my wireless router to required static ip,

My ISP can give me thousands of static IPs but my e-mail server only allows 4 IPs to connect which my ISP cannot assign to my router dont know why

Please advise in this regard,

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May 21, 2011 at 04:48:25
I've never heard of an e-mail server, that only allows 4 static ip addresses, to connect to it.

What exactly are you trying to do?
If you want to connect to the e-mail server, by using an e-mail client, you simply have to use imap or pop3, to connect to it.
Therefore, you don't need a static ip address. You only need to authenticate in the same way, as you do on gmail, yahoo mail or any other freemail, available in the internet.

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Let us know, if the problem is solved !!!

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May 21, 2011 at 05:46:44
There is no way that a user can convert a dynamic IP address to a static IP address. It is entirely under the control of your ISP. If your mail server only allows assigned IP addresses then just get your IP address assigned. You can only use an IP address given to you by your ISP. You cannot just use an IP address that just happens to be one of the assigned ones. That will never work.

If it only allows four assigned IP addresses then there is something seriously wrong with the server configuration. There are far better way to authorise a user than using IP addresses and with dynamic IP addresses being so common it is a silly idea., It is like having a telephone that con only accept incoming calls from four specific numbers and blocks everyone else.


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