Re: [Exim] callbacks and <>

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Autor: Russell King
Data:  
Para: Andrew - Supernews, exim-users
Assunto: Re: [Exim] callbacks and <>
On Wed, Dec 03, 2003 at 07:48:50PM -0800, Marc MERLIN wrote:
> Because if you implement callbacks, you're most likely not refusing <>
> What I already discussed with Philip was to have callbacks that first do
> MAIL FROM: <>
> fail null mail from
> or
> RCPT TO: <dest>
> fail null mail from
> RSET
> MAIL FROM: <postmater@mysite>
> RCPT TO: <dest>
>
> If you do that, it's reasonably safe.


Why on earth would you want to accept mail from a site refusing null
senders, thereby preventing the return of non-delivery messages?
It effectively means that such a site could not care whether the
message gets through or not, so, IMHO it's far better to refuse the
message until the postmaster at the site gets some clue.

--
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 PCMCIA      - http://pcmcia.arm.linux.org.uk/
                 2.6 Serial core