On Wed, Sep 17, 2014 at 03:09:15PM +0200, Patrick Ben Koetter wrote:
> > Thanks for keeping an eye on this. Yes, I suppose that Postfix
> > should adopt such status codes (make them configurable?), but there
> > is no need to do this for older releases.
>
> Having them configurable with sane defa
ailed a reverse DNS
> > validation
> > check, contrary to local policy requirements" (see: 3.3. Reverse DNS
> > Failure
> > Code):
> >
> > 3.3. Reverse DNS Failure Code
> >
> > Code: X.7.25
> > Sample Text:
ary to local policy requirements" (see: 3.3. Reverse DNS Failure
> Code):
>
> 3.3. Reverse DNS Failure Code
>
> Code: X.7.25
> Sample Text:Reverse DNS validation failed
> Associated basic status code: 550
There's an RFC for "Email Authentication Status Codes"
<https://www.rfc-editor.org/rfc/rfc7372.txt> out, which specifies a dedicated
status code "when an SMTP client's IP address failed a reverse DNS validation
check, contrary to local policy requirements"
