On 4 Oct 2018, at 22:50, Nicola Tiling via Exim-users <[email protected]>
wrote:
> Yes. It’s the only item that proofs the message size and I’ve testet with a
> restriction of 1KB thats rejected the mail correct. And I proof it with exim
> in non daemon debugging mode.
>
> I’ve seen my error code in my own exim (intern) log. But sending a bigger
> mail with an extern address to this exim server sends me a rejection with a
> "550 - recipient unknow“ in the info message from the external mailserver.
> There I also want the correct code because a „recipient unknown“ is confusing
> the sending people
Your router is:
driver = redirect
condition = ${if >{$message_size}{${lookup
pgsql{MAX_MSG}{${value}K}fail}} {true}{false}}
data = :fail: 552 Your message is too big.\n \
(that trailing backslash looks a bit suspicious to me; I don’t think that
should be there).
When your ACLs are doing recipient verification - more than likely before the
DATA phase, so $message_size is empty *unless* the SIZE command has been passed
- if the router fails, the address won’t verify and a 550 will be the result
from the ACL.
You should be doing your message size check in ACLs rather than in a router, or
you should set ‘no_verify’ on the router so that it’s not used before DATA.
Graeme
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