On Mon, Jun 05, 2000 at 12:27:49PM +0200,
Pablo Mart�nez Schroder <[EMAIL PROTECTED]> wrote:
> I'm having some problems sending mail to a specific domain...
>
> When qmail tries to send mail to [EMAIL PROTECTED] from our mail server
> (212.49.139.237) and the sender is [EMAIL PROTECTED], bt.es mail
> server says "Sender domain must resolve".
>
> This don't happen when the mail server sends mails to others domain, so
> I really do not have a clue of what can be happening. I think it's
> related with DNS, but I don't know what can I be doing wrong, or what it
> supossed to be the right configuration.
There isn't any MX or A record associated with hidratel.com. Some sites
check for the existance of an A record or MX record and refuse email
if there isn't one. Not all sites do this. This also might be a problem
with only some of the DNS servers authoritative for hidratel.com.
