Quoting Charles Cazabon <[EMAIL PROTECTED]>:
> Henry Blackman <[EMAIL PROTECTED]>
> wrote:
> >
> > deferral:
> >
>
Connected_to_195.195.128.251_but_my_name_was_rejected./R
> > emote_host_said:_501_Invalid_domain_name/
> >
> > Any ideas anyone?
>
> The machine name that you are presenting in the
> HELO phase of the SMTP
> conversation is being rejected by the remote
> host, probably because it
> doesn't resolve or similar.
Could that be caused because the machine name in the
reverse DNS of the IP didn't match the name in the
forward DNS? I found that to be true here, but can't
really test again until the DNS has updated on the
other machines.
Thanks,
Henry
