RE: [Exim] 4xx and 5xx SMTP error codes

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Author: Bernard Stern
Date:  
CC: exim-users
Subject: RE: [Exim] 4xx and 5xx SMTP error codes
On Thu, 03 Feb 2000 18:02:30 +0100 Bernard Stern wrote:

Ooops, I found the bug... in my config. The receiver_verify stuff
was not set on my test config. Sorry for bothering you, and for
putting the spec doc to doubt :-(((

Regards,

Bernard Stern, SWITCH

____________S_W_I_T_CH___Swiss Academic_______________________________________
        mail: SWITCH Head Office       a          Tel: +41 1 268 1520
              Limmatquai 138           n          Fax: +41 1 268 1568
              CH-8001 Zurich           d        e-mail: stern@???
________________________________________Reseach Network_______________________


> Helo,


> I'm referring to the chapter 21.3 of the exim spec doc (page 151
> of the postscript document).


> It mentions that the returned error code for a :defer:ed address is
> 451, for both SMTP VRFY and RCPT TO commands. But:


> helo arthur.switch.ch
> 250 limmat.switch.ch Hello arthur [130.59.4.20]
> vrfy zztest@???
> 450 <zztest@???> Scheduled maintenance downtime


> OK, as expected


> mail from: stern@???
> 250 <stern@???> is syntactically correct
> rcpt to: zztest@???
> 250 <zztest@???> is syntactically correct


> Which is not as expected.


> However, the text also mentions that the mail, despite deferred, is
> accepted on the MTA (which maybe invalidates my above statement).


> My goal is to "fully" defer mails (based on local parts of course),
> ie not accept them on my MTA (at specific times).
> There are nightly scheduled downtimes, and during these downtimes
> it is quite vital that mails to such local parts are _not_ accepted
> on the server, but there are no reasons to fail them. Thus a 4xx
> response would exactly fit my needs.
> Is there another approach to achieve this goal?
> As ever, many thanks in advance for a hint to a solution.


> Regards,


> Bernard Stern, SWITCH


> ____________S_W_I_T_CH___Swiss Academic_______________________________________
>         mail: SWITCH Head Office       a          Tel: +41 1 268 1520
>               Limmatquai 138           n          Fax: +41 1 268 1568
>               CH-8001 Zurich           d        e-mail: stern@???
> ________________________________________Reseach Network_______________________