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Managing mail with MMDF

Mail-related name server resource records

The MB, MR, MG, and MX name server resource records are explained here:


MX records
Mail exchanger records. MX resource records indicate that mail directed to a given domain may be routed via this host. They have the format:
   domain  IN      MX      preference      mail.exchanger

MB records
Mail box records. MB resource records indicate that the given user's mail box is on the specified host. They have the format:
   user    IN      MB      host
MMDF translates this to user@host, by appending @host to user.

MR records
Mail rename records. They have the format:
   user    IN      MR      new.mail.address
MMDF replaces user with new.mail.address. It is an alias in the usual sense of the word.

MG records
Mail group records. They have the format:
   list    IN      MG      user1@host1
   list    IN      MG      user2@host2
MMDF uses MG records to build a list of mail addresses to send the mail to.


NOTE: The example records shown here are simplified for clarity and do not correspond exactly to the named(ADMN) syntax.

See also:


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SCO OpenServer Release 6.0.0 -- 26 May 2005