Re: My email is rejected by some sites

[Micha Feigin <michf@post.tau.ac.il>]

On Sun, Dec 21, 2003 at 01:00:12PM +0100, Joerg Rossdeutscher wrote:
> Hmmm...
> 
> Am Do, den 18.12.2003 schrieb Micha Feigin um 15:14:
> > try checking host <your hostname> and dig -x <your ip>
> > check in your mail headers exactly what hostname is used. If you set
> > it using /etc/hostname then it won't match the one given by the isp and
> > thus the two checks would differ and that could be why the server
> > rejects you.
> 
> These values differ often.
> For example, one of my providers resolves every ip in his segment like
> 
> h-111.222.33.44.host.de.provider.foo.
> 
> If you dig -x my domain, you will get that as an answer, even my mail is
> from domain.bar
> 

I guessed they will differ. On a proper static IP/domain name  setup
they shouldn't though. Thus it is a basic security check some system do
(debian stable used to do by default in hosts.deny via the paranoid
option.

> Bye,
> Ratti
> 
> 
> -- 
>  -o)    fontlinge  | Font management for Linux  | Schriftenverwaltung in Linux
>  /\\                                  http://freshmeat.net/projects/fontlinge/
> _\_V    http://www.gesindel.de     https://sourceforge.net/projects/fontlinge/