[Mimedefang] filter_recipient rejecting entire message instead of individual recipient

[Steffen Kaiser]

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On Thu, 7 Mar 2013, Shridhar S Shetty wrote:

> when filter_recipient tempfails a single recipient in a a multi recipient email, the tempfail code is returned back to the email client and the message is not delivered further.

> Please note this happens *only* when the email is sent using email client(thunderbird/outlook etc) and not when sent directly using sendmail. In the latter case only the individual recipient gets tempfailed and message is delivered to rest of the recipients.

What shall the client do in this case, it could split the message and put 
the tempfail'ed one into one sort of outbox, some MUAs put the entire 
message into the outbox, waiting for success.
IMHO, all MUAs let the user decide, what to do; I think thjat this is the 
right thing to do, but the responses of Thunderbird & Co are not worded 
so, that a normal user understands them.

> a brief code snippet of filter_recipient
> --------------
> sub filter_recipient {
>  my ($check_flag_blockuser) = config_check($user,$domain,6);
>  if($check_flag_blockuser == 1){
>       return('TEMPFAIL', "User $recivor is temporarily blocked","450","4.2.1");
>  }
>  some other checks
>  return ("CONTINUE","ok");
> }
> --------------
>
> Any assist would be greatly appreciated.

I skip some tests of internal users if the sender is authentificated. S/he 
gets the DSN then eventually.

- -- 
Steffen Kaiser
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