Trying to use SMTP proxy, but there might be limitations?

[Francis Daly]

On Mon, Sep 21, 2015 at 04:44:20PM +0300, Maxim Dounin wrote:
> On Mon, Sep 21, 2015 at 12:51:17PM +0100, Francis Daly wrote:
> > On Sun, Sep 20, 2015 at 05:25:26PM -0700, Michael Shadle wrote:

Hi there,

> > >     [HTTP_AUTH_SMTP_FROM] => MAIL FROM:<from at address.com> SIZE=418
> > >     [HTTP_AUTH_SMTP_TO] => RCPT TO:<destination at address.com>
> > > ORCPT=rfc822;destination at address.com
> > 
> > Do you want *that* address to be delivered to? If so, "Auth-Status: OK".
> > 
> > After you do that, you should get another request for the next address
> > (I think).
> 
> No, this isn't how it works.

Ah, thank you for the correction.

I should have tested more before responding.

> What nginx smtp proxy layer does is initial filtering - whether we are
> willing to talk to this client, or not at all.

That sounds like a very good one-line summary of the design intention. Now
that I look properly, I see that it is indicated towards the end of
http://nginx.org/en/docs/mail/ngx_mail_smtp_module.html

Thanks,

	f
-- 
Francis Daly        francis at daoine.org