Weird DNS issues for domains

Thu Sep 29 17:25:27 UTC 2005

John Dupuy wrote:

>
> If you are talking about strictly http, then you are probably right. 
> If you are hosting any email, then this isn't the case. A live DNS but 
> dead mail server will cause your mail to queue up for a later resend 
> on the originating mail servers. A dead DNS will cause the mail to 
> bounce as undeliverable. (Oh, and if any of your subs are on mailing 
> lists, they will be unsubscribed en masse. A nice way to challenge 
> your call center...)
>
>
A MTA bouncing mail on temporary DNS failure would be out of spec, horribly.

Pete