MX records

[Cricket Liu]

Karyn Williams wrote:
> We get mail addressed to:
> 
> user at calarts.edu
> user at muse.calarts.edu
> user at indy1.calarts.edu
> 
> and it should all go to muse.calarts.edu.
> 
> If muse is the mailhost, why does it need an MX record ?

Because the first thing a mailer with mail for user at muse.calarts.edu
tries to look up is MX records for muse.calarts.edu.

Of course, most mailers will use an A record for muse.calarts.edu
if they don't find any MX records.

cricket

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