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39 messages in net.sourceforge.lists.courier-maildrop[maildropl] Re: Maildrop EX_TEMPFAIL| From | Sent On | Attachments |
|---|---|---|
| ha...@newmail.tvnet.hu | Jul 5, 2002 11:37 pm | |
| Derrick 'dman' Hudson | Jul 6, 2002 9:05 am | |
| ha...@newmail.tvnet.hu | Jul 8, 2002 12:56 am | |
| ha...@newmail.tvnet.hu | Jul 8, 2002 6:40 am | |
| Derrick 'dman' Hudson | Jul 8, 2002 7:07 am | |
| Ben Rosengart | Jul 8, 2002 7:09 am | |
| Matthias Andree | Jul 8, 2002 8:24 am | |
| Matthias Andree | Jul 8, 2002 8:25 am | |
| Ben Rosengart | Jul 8, 2002 8:35 am | |
| Matthias Andree | Jul 8, 2002 8:51 am | |
| Sam Varshavchik | Jul 8, 2002 3:03 pm | |
| Ben Rosengart | Jul 8, 2002 3:32 pm | |
| Sam Varshavchik | Jul 8, 2002 4:15 pm | |
| Matthias Andree | Jul 8, 2002 5:10 pm | |
| Sam Varshavchik | Jul 8, 2002 6:09 pm | |
| Ben Rosengart | Jul 8, 2002 6:20 pm | |
| Sam Varshavchik | Jul 8, 2002 6:28 pm | |
| Ben Rosengart | Jul 8, 2002 6:44 pm | |
| Sam Varshavchik | Jul 8, 2002 6:51 pm | |
| ha...@newmail.tvnet.hu | Jul 9, 2002 3:56 am | |
| Matthias Andree | Jul 10, 2002 2:47 am | |
| Matthias Andree | Jul 10, 2002 2:49 am | |
| Matthias Andree | Jul 10, 2002 3:05 am | |
| Derrick 'dman' Hudson | Jul 10, 2002 7:40 am | |
| Matthias Andree | Jul 11, 2002 2:51 am | |
| Derrick 'dman' Hudson | Jul 13, 2002 9:00 am | |
| Matthias Andree | Jul 14, 2002 7:47 am | |
| Derrick 'dman' Hudson | Jul 15, 2002 8:19 pm | |
| Sam Varshavchik | Jul 15, 2002 9:19 pm | |
| Ben Rosengart | Jul 16, 2002 6:52 am | |
| Sam Varshavchik | Jul 16, 2002 7:22 am | |
| Ben Rosengart | Jul 16, 2002 8:09 am | |
| Ben Rosengart | Jul 16, 2002 11:24 am | |
| Sam Varshavchik | Jul 17, 2002 9:59 am | |
| Ben Rosengart | Jul 17, 2002 12:29 pm | |
| Matthias Andree | Jul 17, 2002 3:27 pm | |
| Matthias Andree | Jul 17, 2002 3:33 pm | |
| Matthias Andree | Jul 17, 2002 3:34 pm | |
| Matthias Andree | Jul 18, 2002 12:21 pm |
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| Subject: | [maildropl] Re: Maildrop EX_TEMPFAIL | Actions... |
|---|---|---|
| From: | Sam Varshavchik (mrs...@courier-mta.com) | |
| Date: | Jul 8, 2002 6:09:39 pm | |
| List: | net.sourceforge.lists.courier-maildrop | |
Matthias Andree writes:
Sam Varshavchik <mrs...@courier-mta.com> writes:
Ben Rosengart writes:
On Mon, Jul 08, 2002 at 06:03:21PM -0400, Sam Varshavchik wrote:
I already gave my answer: it's the mail server's job to refuse mail for nonexistent recipients. The fact that some MTAs can't always do that only means that they should do that.
So qmail is out of the play.
So every mail server should learn to speak to every backend to which maildrop can speak? That seems awfully redundant.
It's more like the other way around: maildrop should know how to speak to whatever account database the mail server uses.
Oh, it can do that, but it fails to communicate its trouble back, because it exits with EX_TEMPFAIL even for PERMANENT error conditions, like: no such user (EX_NOUSER).
It's the mail delivery agent's job to tell the mail server that the recipient account does not exist.
The MTA relies on its MDA to communicate trouble back, waiting for the queue entry to expire just does not cut it.
Only a broken MTA does that. Properly designed MTAs do not accept mail for delivery to nonexistent mailboxes in the first place, and the MDA never sees invalid recipients.
In the example port 25 log I posted the mail server immediately rejected a nonexistent recipient, without consulting the MDA.
That's how it should be.
-- Sam