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| DNS: Creating external "e-mail aliases" https://forum.linode.com/viewtopic.php?f=19&t=6454 |
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| Author: | tommedema [ Sat Dec 25, 2010 8:55 pm ] |
| Post subject: | DNS: Creating external "e-mail aliases" |
It is possible to delegate a subdomain to external nameservers (if this subdomain is setup on the server corresponding to the set nameservers), according to http://zytrax.com/books/dns/ch9/delegate.html. I am wondering whether the same is achieveable with e-mail. So, is it possible to add DNS entries so that any e-mail send to a subdomain will delegate to the "e-mail server" of an external server, without needing my server to actually process the data? If so it would be possible to create a service where people can register their own e-mail aliases. Thanks in advance. |
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| Author: | pclissold [ Sun Dec 26, 2010 5:14 am ] |
| Post subject: | Re: DNS: Creating external "e-mail aliases" |
tommedema wrote: So, is it possible to add DNS entries so that any e-mail send to a subdomain will delegate to the "e-mail server" of an external server, without needing my server to actually process the data?
Yes. The example on the zytrax site does just that: Code: ; zone fragment for sub-domain us.example.com |
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| Author: | Stever [ Sun Dec 26, 2010 12:24 pm ] |
| Post subject: | |
It may or may not be obvious, but if you have delegated a subdomain to someone else's DNS servers, then THEY will be the ones who can set the MX for that subdomain, not you. If you haven't delegated the subdomain, then a simple MX entry for the subdomain should do what I think you are wanting. |
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