Ronie Gilberto Henrich wrote:
> Hi,
> I am using the following rule to block mp3 files of being received
> by domain example.com (recipient == @.example.com), which is hosted
> by us.
> @banned_filename_maps = (
> {
> '.example.com' => 'AUDIO',
> '.' => 'DEFAULT',
> },
> );
> Is it any way to enforce that rule also to block mp3 files of being
> sent by domain example.com (sender == @.example.com)?
maybe you can use policy_banks like this:
$inet_socket_port = [10024,10026];
$interface_policy{'10026'} = 'BLOCKAUDIO';
$policy_bank{'BLOCKAUDIO'} = {
banned_filename_maps => ['MYNETS-DEFAULT'],
};
%banned_rules = (
'MYNETS-DEFAULT' => new_RE(
[qr'.\.(mp3|mp4)$'i => 1],
),
'DEFAULT' => $banned_filename_re,
);
Then you could use check_sender_access with postfix like this:
smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/amavis_block_audio
Then you can set this in /etc/postfix/amavis_block_audio
example.com FILTER smtp-amavis:[127.0.0.1]:10026
All E-Mails from example.com go through amavis, port 10026.
I've not tested this but it's an idea.
--
Daniel
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