[Mimedefang] skip filtering if smtp auth even for local mail

[Steffen Kaiser]

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On Wed, 16 Apr 2014, Ghislain wrote:

> i use a filter_sender clause to skip any filtering if the mail is sent by 
> authentified users from  smtp_auth
>
> ii  mimedefang 2.69-1                                           e-mail filter 
> program for sendmail
> ii  sendmail 8.14.3-9.4                                       powerful, 
> efficient, and scalable Mail Transport Agent
>
>
> sub filter_sender {
>
>        read_commands_file();
>        if( (defined($SendmailMacros{"auth_authen"})) && 
> ($SendmailMacros{"auth_authen"} != 'monitoringemail') ){
                                   ^^ this should be ne instead of !=

>                md_syslog('warning',"smtp auth depuis $ip, $name, $sender, 
> $MsgID");
>                return ('ACCEPT_AND_NO_MORE_FILTERING', "ok");
>        }elsif($RelayAddr eq "127.0.0.1") {
>                md_syslog('warning', "local Email, $MsgID");
>                return ('ACCEPT_AND_NO_MORE_FILTERING', "ok");
>        }else{
>                md_syslog('warning',"pas de smtp auth depuis $ip, $name, 
> $sender, $MsgID   ");
>                return('CONTINUE', "ok");
>        }
> }
>
>
> my issue is when a  user connect with smtp auth on port 587 and send a mail 
> to a local user ( someone from the same domain) then it get filtered and 
> never trigger the defined($SendmailMacros{"auth_authen"})) part. Is there any 
> solution to that ? It seems that smtp auth is simply ignored for local 
> delivery even if the log show a successful smtp-auth for this connection.

I don't believe this.
To verify add a md_syslog('warning', $RelayAddr . "/" . $SendmailMacros{"auth_authen"}) before the if() statement.

Or do you happen to have separate configurations for port 25 and 587?

>  the filter_sender works for external recipient and skip all filtering but 
> impossible to do it for this case. I want to skip filtering because 
> spamassassin trigger a LOT of false positive rules when in this configuration 
> (all RCPT and HELO rules).

- -- 
Steffen Kaiser
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