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e-mail web access fine from internet but

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Last Modified: 2010-04-07
Oue web page is hosted by an outside source there is a link to web acces e-mail (groupwise) this works fine from home, internet  will not work from inside  our network the e-mail server is located on internal network staff have client installed so no problem for them but we have numerous vistors that use are public systems and these  do not have the client on them I want users to be able to use web acces  from the internal machines
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Commented:
Have you setup DNS to resolve the external web address to the internal server?
Thats what it sounds like to me.
You may want to make there is a local zone in your DNS and point users internally to the internal IP address of that server.

Author

Commented:
internal users can get to webpage just not the  web access we do not have our own DNS server .
When you mouseover the link to the web acces e-mail (groupwise) where does it point to?  You might need to put 2 links in.  One for internal use and one for external use.

Author

Commented:
Ok.  Is the webacc hosted internally in your network or externally?

Commented:
You should follow ladiesnhan's suggestion. Create 2 links in the webpage, one for people who accesses the mailserver from externally (this link already exists in your configuration), the other one for internal access. The fact that you don't have a DNS server inside your network makes it impossible to solve this problem transparently.

Example

Link 1 --> http://spemail******.org/gw/webacc
Link 2 --> http://xx.xx.xx.xx/  --> IP address of your email server


Beware though that creating the link will expose the internal IP address of your mailserver. Small security risk, can be ignored... but if you don't like it, then create the link dynamically using PHP, based on visitor's IP address (that is, if you have a static IP address given to you from your ISP). Code will look roughly like...

$ipaddress = $_SERVER['REMOTE_ADDR'];
 
if ($ipaddress == "your.static.ip")
    print "<a href="http://internal.ip.of.mailserver">click here</a>";
else
    print "<a href="http://spemail***.blahblah">click here</a>";

Open in new window

Author

Commented:
hello  and really appreciate the suggestions since my director does not like the Idea of  two links on webpage ( Thanks ladienhans)  I know I  can edit the Host file  but that is on each system over 200 would not be a fun day So I have set up a test server with AD as DC with DNS where do i put a forward in and  HOST (A) record ? am very confused
**name**      10,1,0,4

Commented:
evopann,

You currently have 200+ PCs and no AD/DC right ? Setting up the domain controller with DNS right now will make you work even harder because you will need to at least touch every single machine to change their DNS server IP address to the DC, then join them all to the domain :)

If you don't mind me asking, do your 200+ PCs all use external DNS server in their IP configuration ??

On a side note, have you considered dynamically generating the link in your website ? (PHP code snippet attached in my previous comment). People will only see ONE link but depending on where they are, the link can point to external IP address or it can point to internal IP address.

Author

Commented:
I'm sorry I am setting up a test AD/DC  only a couple of systems to test appilcations etc.. so Iwas thinking of ladienhans idea of local host but how do i do that?
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Author

Commented:
DO you mean internal domain in 2nd line


Ok so when you have DNS open on your DC.  Go to Forward Lookup Zones.  Check to see if there is a zone with your EXTERNAL domain name.

If you do not have your internal domain as a zone this is how you create it.

Author

Commented:
I'm sorry I'm so lost
Check to see if you have the external domain name in your dns.  The reason why is because your internal dns server needs to have the external domain name pointing to the internal ips of your servers that are in house.

Author

Commented:
thanks I will try tommorrow

Author

Commented:
Good Morning
 I created a new Zone spemail.XXXX.org
then created a new Host A record within that Zone left name Blank ( for when Ityped in name came back as spmail.spmail.xxxx.org entered the IP of internal mail server  10.x.x.x  can not get to it by name but if i put in IP address  get there when I click on link from web page says Internet Explorer can not display webpage

Author

Commented:
Hello ladiesnhan,
     Ok  What i did was also make an  )A) record for our website that is hosted thru  XXXXX company
   so Zone xxx.org
  Host (A) spemail.  Host (A) WWW
now everything working it my test AD/DC  so I must give you some points you did a good Job

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