DNS names

[Igmar Palsenberg]

> >>>>> "Erik" == Erik Bas <ebas at luijk.nl> writes:
> 
>     Erik> Why do MX records have to be defined with every A record... 
> 
> They don't! However adding an MX record for each host (not necessarily
> the same thing as every A record!) in your net is a Good Thing. If
> each host has an MX record, it prevents undelivered mail from broken
> software. For instance, some people write CGI scripts and the like and
> use the name returned by a reverse lookup for constructing an email
> address. "Click here for us to swamp your mailbox with marketing
> crap".

Isn't that a reason for not adding one ? :-))

My rule : Don't use an MX record onless you actually plan to receive mail
onder that subdomain.

It also saves the admin some troubles in setting up virtual domains in for
example sendmail.


		Igmar