[exim-dev] [Bug 814] $acl_verify_message returns empty strin…

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Συντάκτης: Graeme Fowler
Ημερομηνία:  
Προς: exim-dev
Αντικείμενο: [exim-dev] [Bug 814] $acl_verify_message returns empty string
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http://bugs.exim.org/show_bug.cgi?id=814

Graeme Fowler <graeme@???> changed:

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--- Comment #1 from Graeme Fowler <graeme@???> 2009-02-23 17:07:26 ---
It works exactly as documented in spec.txt and TFM on the web for me, using
exim 4.69. The spec.txt entry states:

> $acl_verify_message
>
>     After an address verification has failed, this variable contains the
>     failure message. It retains its value for use in subsequent modifiers. The
>     message can be preserved by coding like this:

>
>     warn !verify = sender
>          set acl_m0 = $acl_verify_message

>
>     You can use $acl_verify_message during the expansion of the message or
>     log_message modifiers, to include information about the verification
>     failure.


...fairly clearly explaining that this only populates the variable when a
verification fails.

On my system, doing call-forward verification as the backup MX for exim.org, I
have the following configuration as part of my recipient ACL:

deny    domains = +filter_domains:+relay_to_domains
        !verify = recipient/callout=30s,defer_ok,no_cache,use_sender/no_
details
        log_message = RCPT VERIFY_2 RETURNED: $acl_verify_message


So this will reject recipients within the domain lists "filter_domains" and
"relay_to_domains" which fail a call-forward verification. In the logs we see:

2009-02-23 16:38:41 H=[redacted] [ip_redacted] I=[82.113.154.29]:25 F=<>
rejected RCPT <exim-dev@???>: RCPT VERIFY_2 RETURNED: response to "RCPT
TO:<exim-dev@???>" from tahini.csx.cam.ac.uk [131.111.8.192] was: 550
"Recipient never sends mail so cannot cause bounces": response to "RCPT
TO:<exim-dev@???>" from tahini.csx.cam.ac.uk [131.111.8.192] was: 550
"Recipient never sends mail so cannot cause bounces"

Graeme


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