You are here: Home > Participate > Join a Discussion > Mailman Archives
<<< Chronological >>> Author Index    Subject Index <<< Threads >>>

Re: People forging their From: addresses

  • To: "Wilfried Woeber, UniVie/ACOnet" < >
  • From: Nigel Titley < >
  • Date: Fri, 02 Oct 1998 15:28:23 +0100
  • Cc:
  • Cc:

> >    1)	If DNS really returns "NonExistant Domain"
> >	you MAY return 5xx.
> 
>   ...and you might want to think twice or check more than once :-)
> 
>   In the (not so rare) cases where *all* NS servers for a certain domain
>   are lost for a while (e.g. due to connetivity problems), you would then
>   bounce perfectly valid mail.

But surely the return from DNS here is not "No such domain" but "Timeout". 
Easily distinguishable surely?

Nigel

-- 
--------------------------------------------------------------------
Nigel Titley  --- BTnet
E-mail: Nigel.Titley@localhost            Tel: +44 1992 897008
"Well I'm disenchanted too, we're all disenchanted." (James Thurber)






  • Post To The List:
<<< Chronological >>> Author    Subject <<< Threads >>>