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5 messages in net.sourceforge.lists.courier-maildropRe: [maildropl] Quota bounces using m...| From | Sent On | Attachments |
|---|---|---|
| email builder | Aug 12, 2005 10:52 pm | |
| Sam Varshavchik | Aug 13, 2005 4:47 am | |
| email builder | Aug 13, 2005 5:15 am | |
| Tony Earnshaw | Aug 13, 2005 8:06 am | |
| email builder | Aug 15, 2005 4:55 pm |
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| Subject: | Re: [maildropl] Quota bounces using mailbot? | Actions... |
|---|---|---|
| From: | Tony Earnshaw (ton...@billy.demon.nl) | |
| Date: | Aug 13, 2005 8:06:01 am | |
| List: | net.sourceforge.lists.courier-maildrop | |
lør, 13.08.2005 kl. 14.14 skrev email builder:
[...]
Yes. Use the current version of Courier, whose current version of maildrop
reports an out-of-quota condition as a temporary failure condition,
Oh. Well... we are using Postfix, and I don't think we'll be changing that any time soon. :(
Anyone done something like this with postfix/maildrop?? Do people just end up eating this? I'm surprised no one has tried to do something about this before now (under other MTAs)...?
Postfix 2.2.5 -> maildrop 1.8.1 via a long chain on this LDAP-based rig:
postfix smtpd -> amavisd-new 2.3.2/Sophos/pre-queue proxy -> postfix smtpd
listener/lmtp -> dspam 3.5 daemon/smtp -> postfix smtpd listener/virtual
transport -> maildrop.
The first Postfix smtpd listener will not give a 250 or 4/5xx to the connecting client until maildrop at the end of the chain has accepted or refused the message, and will return to the connecting client whatever failure message maildrop gives, permanent or temporary.
No backscatter, ever, for whatever reason. Using amavisd-new and dspam as transparent proxies in this manner is NOT recommended, simply because they are NOT transparent proxies (read the relevant docs), but they work well enough in practice on this low-volume rig.
The point being, that maildrop can be configured as anti-backscatterdly as you would wish, under Postfix (and the two other extras).
--Tonni
--
which works together with Courier's built-in backscatter suppression logic to eliminate all backscatter by rejecting all subsequent delivery attempts to the same mailbox with an SMTP temporary failure indication. If the mailbox
goes back under quota reasonably soon, no mail will be lost.
The default configuration settings in the current version of Courier will never generate any backscatter. It case of locally-originated screwups Courier will eat the bounce.
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mail: ton...@billy.demon.nl http://www.billy.demon.nl