Am 21.02.2013 15:02, schrieb Chris Knadle:
On Thursday, February 21, 2013 07:12:34, ROGERS Richard M wrote:
From: [email protected]
[mailto:[email protected]] On
Behalf Of Cyborg
Sent: 21 February 2013 11:57
To: [email protected]
Subject: Re: [exim] forany() with multiply recipients
Am 21.02.2013 12:18, schrieb ROGERS Richard M:
We have a case a bit like this here, where individuals can set their
own
preferences/whitelist/blacklist, so handling can change even within the
one domain.
The way we deal with it is to set the message handling according to the
first
recipient's preference; then if the handling is different for later ones
they get a 4xx (temporary rejection). It introduces some delays but
everyone gets the message handling they want.
Regards
out of curiosity .. how does sending a 4XX help with a logic decision
with opposite outcomes ?
I'm not entirely sure I understand the question - but the point of the
approach is that only one set of preferences can be applied to an accepted
message.
This also happens with per-user SpamAssassin settings. For instance in the
instructions below in A.10.3.1 the suggestion is to only accept one recipient
per message in order to apply the correct user preferences on each message.
This causes a retry for every local recipient of the message past the first
one. :-(
https://www.redhat.com/mirrors/LDP/HOWTO/Spam-Filtering-for-MX/exim-sa.html
If someone knows a way to have Exim go through the delivery ACL rules for each
recipient, I'd like to know.
This seems to be a design issue :
Too inform the sender, that his attempt did not work, we have to reject
it on SMTP level, means inside acl_check_data or a similar capable acl.
Otherwise, we have to create a new delivery message and inform the
sender about the "later" failure inside a router. Which will not work
with spams as of the nature of most faked sender addresses.
a new acl "acl_per_recipient" could solve such problems on an elegant way.
Phil? What is your opinion about such an approach ?
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