Re: Mailserver requirements

[Daniel Roesen <dr () cluenet de>]

On Mon, Apr 05, 2004 at 11:32:08PM +0200, Arnold Nipper wrote:
> >     I am surprised you don't have problems sending to AOL as well.
> > They don't accept email from servers that do not have reverse addresses.
> > I don't accept email from severs without reverse addressing.        
>
> of course this server does have a reverse mapping. But this reverse
> mapped doamin does not have an MX record.

Does it have an A RR?

Anyway... it's a heuristic which definately does give false positives.
The only requirement is that IF a domain/host accepts mail there MUST be
a postmaster@ address.


Regards,
Daniel