On Wed, 18 Apr 2007, John Kielkopf wrote: > > > so it is easier > > that temporary network problems end up being hidden by its caching. > > > > > > > > - Davide > > > > > But why should a temporary network problem cause any issue in the first > place, unless that problem is a bad DNS entry? Network connectivity > issues during a DNS query should at most cause a delay in sending the > mail, but the mail should eventually get through without user intervention. > > I'm still concerned that your fall back to "A" after MX timeout could > cause a permanent delivery failure (trying to send to the host pointed > to by the "A" record, potentially hitting an SMTP server that would > refuse the delivery) when the failure should only be temporary (can't > get any results from the domain's DNS servers due to a network failure > somewhere while trying to lookup the MX record). Admittedly, this would > be a _very_ small window of opportunity, but still possible if Xmail > handles this as you suggest.
That can be done. Anyone has a domain name with no MX handy, for me to test? - Davide - To unsubscribe from this list: send the line "unsubscribe xmail" in the body of a message to [EMAIL PROTECTED] For general help: send the line "help" in the body of a message to [EMAIL PROTECTED]
