Re: [exim] How to rewrite a local from id

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Szerző: Phillip Carroll
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Címzett: Exim Mailing List
Tárgy: Re: [exim] How to rewrite a local from id
I am now trying to narrow down my rewrite. I have tried the following,
based loosely on my reading of the doc section 31.11:

apache@* "${if !eq {$sender_host_address} {} \
          {apache@$1} {postmaster@$1} }"  Ffrs


I interpret the above statement to mean: if $sender_host_address is not
null, (meaning the message did not originate in the local host), then
rewrite headers "Ffrs" to apache@$1, otherwise (meaning the message DID
originate here) rewrite those headers to postmaster@$1.

I tested with:
exim -d -v -bh 127.0.0.1 -C my.test.conf -brw apache@mydomain

Result: The indicated headers are rewritten back to the original apache!
Unless I am totally dense, 127.0.0.* is my local host. Hence, should not
$sender_host_address be null? I also tried -bh with my actual server IP,
with the same result.

So the question is, how do I write the condition to only rewrite those
headers only for messages originated in my host? Or , perhaps the
question is how do I convince exim to test as if the sender is at my host?

On 11/2/2014 1:45 PM, Phillip Carroll wrote:
> OK. My understanding of the command line switches is somewhat weak.
> Where the manual says "test it using -brw" I assumed that is all I
> needed. That was obviously not enough.
>
> However, it turns out adding -v -bh 127.0.0.1 to the command line got it
> to recognize the rewrite rule. Which allowed me to debug my syntax.
>
> After rereading section 31.5, I now understand the wildcarding. This now
> works for me:
>
> begin rewrite
> apache@* postmaster@$1 Eh
>
>
> On 11/2/2014 12:42 PM, Phillip Carroll wrote:
>> Several PHP scripts on my server send messages where the mail system
>> inserts an envelope header from apache@mydomain. I want to replace
>> "apache" with "postmaster" everywhere it may appear in a header. The
>> manual (exim-html-current) makes this sound trivial.
>>
>> I have:
>>
>> begin rewrite
>> *apache* {$1}postmaster{$2} Eh
>>
>> That is it. I have nothing else I want to change.
>>
>> When exim is run with -C (test config file) -brw apache@???, it
>> always returns "No rewrite rules are defined". If the above isn't a
>> rewrite rule, then I am totally lost.
>>
>> I have tried several alternative rules, but no joy.
>>
>> Any help appreciated.
>>