One day you will want to change your broadband service provider. You may get a better deal, or a better bundle of services such as mobile phone and broadband etc. So here's a guide if you have a in-house mail server in your business:
- If email is being delivered to your server directly, and if you can't get your old static IP address, then contact your domain name holder to get them to change the mail records.
- Change your outgoing email configuration to match the new provider settings.
- If a new router has been provided as part of the change then ensure that it has the same network IP address that the old one had.
- Turn off DHCP in the router otherwise it will conflict with the server.
- Ensure that port forwarding is set up to allow email to come into the server.
- If you have users using VPN then reset this up for them.
- Anyone using mobile devices will have to change their email settings to match the changes.
- Have someone ready to answer the phone as your customers ring up as emails they are sending you are bouncing back - are you still in business?
The change ideally should be done on a Friday afternoon to let the new static IP change to propogate throughout the internet. Expect your email to be out of action for at least 6 hours, up to 24 hours. This process will take up to 2 hours of technician time as well. And a restart of the server.
If you have a cloud based email system this is the process that you follow:
- Plug in the new router.
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