Re: [cobalt-users] Re: Terrible mail failure problem

[Bruce Timberlake <bruce.timberlake@xxxxxxx>]

James Dean Young wrote:
> 
> >For long-term scalability/flexibility, I personally add an Email Server
> >Alias of mail.domain.com, and have the domain's MX record point to
> >mail.domain.com (also need an A record for mail.domain.com pointing to
> >same IP as www.domain.com). Then, if I ever need to move my mail server,
> >all I have to do is change the A record for mail.domain.com to point to
> >a new server...
> 
> Do you then have TWO MX records for the domain? Like this?
> 
> domain.com      >       mail.domain.com

yes, this is the line you want ("All mail for domain.com is to be
handled by the Mail eXchanger mail.domain.com")

> mail.domain.com >       mail.domain.com

This record would most likely cause some sort of recursion error, etc.

> If so, should one also add an MX record for www.domain.com?

Nope, just one MX record as listed above is fine.

-- 
Bruce Timberlake
Technology Engineer
Sun Cobalt Server Appliances
Sun Microsystems, Inc.

E: bruce.timberlake@xxxxxxx
U: http://www.sun.com/cobalt/