In message <[email protected]>, Stephane Bortzmeyer writes:
> On Fri, Apr 10, 2009 at 09:57:14AM +0200,
> Ond?ej Sur=FD <[email protected]> wrote =
>
> a message of 77 lines which said:
>
> > > "MX 0 ." is the standard way of saying "we don't do email".
>
> Bullshit.
>
> > How different MTAs behave?
>
> Postfix does not ask the root, it stops after it had the MX:
>
> Apr 10 10:08:48 aetius postfix/smtp[32380]: warning: valid_hostname: empty =
> hostname
> Apr 10 10:08:48 aetius postfix/smtp[32380]: warning: malformed domain name =
> in resource data of MX record for security.eu.debian.org: =
>
> Apr 10 10:08:48 aetius postfix/smtp[32380]: 0FA6094E35: to=3D<doesnotex...@=
> security.eu.debian.org>, relay=3Dnone, delay=3D0.05, delays=3D0.04/0.01/0/0=
> , dsn=3D5.4.4, status=3Dbounced (Name service error for name=3Dsecurity.eu.=
> debian.org type=3DMX: Malformed or unexpected name server reply)
>
> > there could be RFC I am not aware of which defines this thing as
> > "standard".
>
> There is no standard way to say "I don't want to receive email"
> (unfortunately).
>
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This has been proposed in the past and is consistent with
how SRV signals no support. FUD has always shot it down.
Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: [email protected]
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