CNAME, MX, and What You Don’t Know

I didn’t know that if you had a DNS MX record and a DNS CNAME record for the same domain that your e-mail would bounce.

I did know what I was trying to do: simply have both my TypePad hosted blog and my Google Apps hosted e-mail work with maimedleech.com at the same time.

Of course my DNS provider let me put my DNS records into this state without a bit of a warning. And, of course, they must have had the “don’t mess with this unless you know what you’re doing” like message on the form I used to screw things up. But, of course, I didn’t know that I didn’t know what I was doing. After all, I had used MX records and CNAME records before.

This problem was, of course, a common topic in the DNS provider’s support forums. And a problem a web search would quickly identify. But, of course, I didn’t know I should look before I made the change.

And, of course, I didn’t know my e-mail was bouncing. Because not everything was bouncing. Turns out some e-mail systems, hotmail for example, delivered mail just fine.

What I ended up doing to fix things is switching my blog from TypePad to WordPress. When you setup domain mapping on WordPress it takes over your DNS name services AND it supports MX records for Google Apps. Just Google Apps, not anything configurable. But I know it works and I know I’m tired of messing with this for now. I also know it won’t last, that I’ll want to run a home server or something.

Well, at least I did known that you don’t know what you don’t know.

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