SYNONYM (multiple under field #5) lists other names by which this domain is
known. (If a site has its name changed via a MailMan patch, the old name
becomes a synonym.)
RELAY DOMAIN (field #2) points to a domain through which messages addressed
to the domain are routed.
[FLAGS] (field #1) controls the method used to contact the domain.
The following fields in the DOMAIN file 4.2 are used when a message is
SECURITY KEY (field #1.5), if present, allows only those users who hold the
specified security key to address messages to the domain.
addressed to a remote site:
NAME (field #.01) is the name of the domain. (Names of production domains
should only be changed by a MailMan patch. If a site needs to change its
name, it must coordinate with the VA's national DNS team, as well as the
MailMan developers. If a site changes its name unilaterally, communication
between that site and other sites will be adversely affected.)