Hello Noel,

On Thu, Feb 23, 2012, at 03:31 PM, Noel Jones wrote:
> 
> (sorry, had to work for a while)

No worries.  Nice to have someone reasonable to chat with.  Bit of a dry
spell on that.  It's appreciated.

> On 2/23/2012 2:58 PM, rg86...@airpost.net wrote:
> Ah, a different server.  Important infomation (or maybe I missed it...).

Easy to miss.  Fwiw, as originally @

  http://marc.info/?l=postfix-users&m=133002076514425&w=2

my sendmail 'send' was sent from 192.168.1.13 to postfix listening @
"inet_interfaces = 192.168.1.10 192.168.1.11".

Clearly mistakenly having presumed that that's clear enough, I called it
out specifically only recently in response to the lashings.

> >     Feb 23 11:51:52 desk postfix/smtp[20627]: 986C040083:
> >     to=<s...@mail.rogermail.lan>,
> >     relay=mail.rogermail.lan[192.168.1.10]:25, delay=0.3,
> >     delays=0.21/0/0.03/0.06, dsn=5.1.1, status=bounced (host
> >     mail.rogermail.lan[192.168.1.10] said: 550 5.1.1
> >     <s...@mail.rogermail.lan>: Recipient address rejected: User
> >     unknown in virtual mailbox table (in reply to RCPT TO command))
> 
> This is the error you need to get rid of.  The spamtrap user must be
> accepted for the downstream listener to use it to trigger the DISCARD.
> 
> If you add the spam@ user to your local storage all will be well.

Aha, I think ...

So IIUC, I need to RE-add the list of spamtraps in the has table as
valid users (removed as valid after known to be compromised ...) so
that, rather than being off-hand rejected as an unkonw/non-existent
user@domain, the multiple-recipient message gets carried through far
enought to get to where that DISCARD check+action is valid?

Is that approaching correct?

If so, then I assume that I leave only postscreen listening at the
'real' external address, and the spamtrap address check shoud remaing
associated with the 127.0.0.1:10026 reinjection listener, as you'd
previously advised?

Or, per this,

> > > then you need to implement the spamtrap check at 192.168.1.10.
> > Happy to.  Where and how?  *Specifically*, at which stage?
> 
> 1) To reject mail to the spamtrap address
> 2) In an SMTP session 
> 3) With the SMTP server at 192.168.1.10
> 4) Configure the spamtrap reject rule with the Postfix SMTP daemon that 
> listens on 192.168.1.10.

do I need to move the check BACK to the postscreen's "private smtpd"
daemon listening on 19.168.1.10 ?  My understanding was that that was
too early in the process.

Thanks again for the help.

Cheers,

Roger

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