At the risk of drifting off topic and draging this on more than I should: On Fri, 4 Apr 2003, Owen DeLong wrote:
There is one other situation where you need an MX record. If your domain is foo.com and the A record for foo.com is _NOT_ the machine that accepts mail for foo.com, you need an MX record pointing to the correct machine. Often this will be mail.foo.com or smtp.foo.com.
Owen
Yes, a very common example of this would be people who use foo.com as the website address and that machine is not capable of accepting mail. I will not comment on this practice, because I might be flamed to a crisp and I left my asbestos underpants at home. :)
--On Friday, April 4, 2003 10:13 AM +0800 Indra PRAMANA <indra@indra.webvis.net> wrote:
At 03:58 PM 4/3/2003 -0600, Gerardo Gregory wrote:
Since then I have learned that some MTA's will look for an A record if it cannot find an MX record and use the A record instead.
This is always the case. MX records are only required if you want to have more than one mail exchange servers to serve your domain, e.g. if you want to have a secondary mail server as a relay if the primary server goes down.
If you only have one mail exchange server to serve your domain, you don't need MX records. An A record pointing to your mail server is sufficient.
-ip-
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