On Thu, Oct 20, 2005 at 11:22:25AM -0400, Brian Mathis wrote: > That's why I think the better term for this is "well formed". "Validity" can > only be determined by sending to it, but you can tell if an address at least In fact, it can only be determined by sending to it over and over again, because whether a mail address works may change over time (and may have nothing to do with the poor schmuck whose email administrators don't know how to spell "MX record"). A -- Andrew Sullivan | ajs@xxxxxxxxxxxxxxx This work was visionary and imaginative, and goes to show that visionary and imaginative work need not end up well. --Dennis Ritchie ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match