North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: An A record is an MX record and is a missing MX....
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 > <[email protected]> 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- > > > > > +--------------------------------------------------------------------------+ | Michael Moscovitch CiteNet Telecom Inc. | | [email protected] Tel: (514) 861-5050 | +--------------------------------------------------------------------------+
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