Hi,
We host our own mail and provide our external users access via web mail. Our DNS records for the mail system are hosted by our ISP. External users are able to type "mail.domainname.com" to access their email.
We recently added a 2nd WAN connection from a different provider in order to have some failover when the primary WAN link goes down. What we would like is to be able to have our DNS records modified to enable failover to the 2nd WAN link's IP address if mail from an external domain is sent to our domain. We would also like to enable failover for our webmail users so they can use the same URL to access the web mail if the primary WAN link is down.
I asked our ISP if they could do this; they said that they could configure our records in such a manner to where external mail would failover but webmail users would have to use a different URL like "mail2.domainname.com". This isn't going to work overly well for my users - anyone have any suggestions? I've seen some articles on round-robin DNS which seem to contradict the tech at the ISP but I'm looking for other opinions, experiences, etc before I call them on it.
Thanks...
We host our own mail and provide our external users access via web mail. Our DNS records for the mail system are hosted by our ISP. External users are able to type "mail.domainname.com" to access their email.
We recently added a 2nd WAN connection from a different provider in order to have some failover when the primary WAN link goes down. What we would like is to be able to have our DNS records modified to enable failover to the 2nd WAN link's IP address if mail from an external domain is sent to our domain. We would also like to enable failover for our webmail users so they can use the same URL to access the web mail if the primary WAN link is down.
I asked our ISP if they could do this; they said that they could configure our records in such a manner to where external mail would failover but webmail users would have to use a different URL like "mail2.domainname.com". This isn't going to work overly well for my users - anyone have any suggestions? I've seen some articles on round-robin DNS which seem to contradict the tech at the ISP but I'm looking for other opinions, experiences, etc before I call them on it.
Thanks...