[plug] explicit e-mail routing; postfix/sendmail

[Mike Holland]

On Thu, 16 Aug 2001, Leon Blackwell wrote:

> On Wed, Aug 15, 2001 at 02:40:37PM +0800, Mike Holland wrote:
> > Q1) Why doesnt mail to ... at tmd-liv1.mobilenet.telstra.net work?
> >     A manual telnet to port 25 works OK.
>
> I'm fairly sure that the SMTP specification says that an MTA should
> wait for a valid DNS resolution of the destination host's MX --
> otherwise weird things would happen everytime a nameserver played up.

I thought if there was no MX, it would fallback to looking for a host.
Apparently not.

> You can direct mail to a particular host by IP address, which
> shouldn't require any DNS resolution or MX lookups (I think).
> username@[xxx.xxx.xxx.xxx]

Bingo! Thanks Leon, thats exactly what I was looking for. It works fine.
(I dont have any control of the sendmail config in this case)


-- 
Mike Holland  <mike at golden.wattle.id.au>
                          --==--
There goes the good time that was had by all.
                -- Bette Davis, remarking on a passing starlet