[Webinar] Streamline your web hosting managementRegister Today

x
  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 245
  • Last Modified:

Do I need to change the public IP address somewhere in Exchange or 2003 server if I have a new isp issuing me a new public IP?

Basically it was all stated in the subject...

Do I need to change the public IP address somewhere in Exchange or 2003 server if I have a new isp issuing me a new public IP?

I am a bit new to exchange so I am trying to figure this out before I end up with nightmares I don't know how to fix.  

Is there anything else that will change that I am not aware of?  Other than the mx record, I have already changed that.  

Thanks in advance for your help,

- ruPPa
0
ruPPa
Asked:
ruPPa
  • 2
  • 2
1 Solution
 
dianthonymCommented:
Nothing else should really need changing.  Make sure that your MX record is set correctly and that any firewall rules from the outside in are updated.  
0
 
jderaCommented:
Your firewall is the only thing that needs to change.  Is your Exchange server set up for NAT on your firewall?
0
 
ruPPaAuthor Commented:
Well, I have a firewall, but it is not issuing the addresses.  My exchange box is the DHCP server as well.  


0
 
jderaCommented:
That fine that your exchange is also DHCP, but check your firewall config against the static private IP of the exchange server (example 192.168.x.x).  If you have a NAT setup with a public IP, you will need to change it to one of the new public IPs that were assigned to you by the ISP.
0
 
ruPPaAuthor Commented:
Kind of a new question.  Since changing the ISP my users can receive email, but they cannot send.  I have another guy that is onsite and telling me that the error is basically saying. "mail.<***>.local  #550 smtp 553 relaying denied.  

Any thoughts?
0

Featured Post

Free tool for managing users' photos in Office 365

Easily upload multiple users’ photos to Office 365. Manage them with an intuitive GUI and use handy built-in cropping and resizing options. Link photos with users based on Azure AD attributes. Free tool!

  • 2
  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now