Re: [exim] mail loop between 2 routers

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Auteur: Markus Hardiyanto
Datum:  
Aan: exim-users
Onderwerp: Re: [exim] mail loop between 2 routers
1. what is causing a mail loop?

2. does exim skip other routers if exim found email
that match with a router? or it will test it with the
other router (on the exim config file there is a
notice that order does matter)

--- Markus Hardiyanto <informatics2k1@???>
wrote:
> i create a perl script named scan.pl like this:
>
> open(OUT, "|/usr/exim/bin/exim -oMr sv-scanned -bS")
> || die "Connection to Exim failed.\n";
> open(READ, "$message");
> while (<READ>)
> {
>    print OUT "$_";
> }
> close(READ);
> close(OUT);

>
> and setup this router and transport:
>
> svcheck_router:
>   no_verify
>   check_local_user
>   condition = \
>   "${if and { {!def:h_X-Spam-Flag:} \
>               {!eq {$received_protocol}{sv-scanned}}
> \
>             }\
>             {1}{0}\
>     }"
>   driver = accept
>   transport = svcheck

>
> svcheck:
>     driver = pipe
>     command = /var/exim/scan.pl
>     use_bsmtp = true
>     home_directory = "/tmp"
>     current_directory = "/tmp"
>     user = mailnull
>     group = mail
>     log_output = true
>     return_fail_output = true
>     return_path_add = false
>     message_prefix =
>     message_suffix =

>
> because i'm using cpanel based server so there is
> already several router set by cpanel.
> and there is a router that conflict with my
> script/router configuration, causing a mail loop,
> and
> exim will drop the email with error message like "to
> many Received: header"
>
> here is the router and transport that looping with
> my
> router/script configuration:
> sa_localuser:
> driver = accept
> check_local_user
> headers_add="${perl{gensaheader}{$local_part}}"
> condition =
>

"${perl{checkusersa}{$local_part}{$received_protocol}}"
> domains = ! lsearch;/etc/userdomains
> transport = local_sa_delivery
>
> local_sa_delivery:
> driver = pipe
> command = /usr/sbin/sendmail -bS
> use_bsmtp = true
> transport_filter = "/usr/bin/spamc"
> user = $local_part
> group = mail
> log_output = true
> current_directory = "/tmp"
> home_directory = "/tmp"
> return_fail_output = true
> return_path_add = false
> message_prefix =
> message_suffix =
>
> please help me solve this.
>
> Best Regards,
> Markus
>
>
>         
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Best Regards,
Markus


        
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