"Use the source, Luke"

From Net::SMTP's source code:

 my @ok;
 my $addr;
 foreach $addr (@_) 
  {
    if($smtp->_RCPT("TO:" . _addr($smtp, $addr) . $opts)) {
      push(@ok,$addr) if $skip_bad;
    }
    elsif(!$skip_bad) {
      return 0;
    }
  }

 return $skip_bad ? @ok : 1;

[download]

Which tells us that 

@goodrecips=$smtp->recipient(@recipients, 
                 { Notify => ['FAILURE'], SkipBad => 1 });

[download]

Will return the list of valid recipients and return notifications of failures (DSNs) via SMTP. Of course, some or all of this may not work, depending upon the configuration of the remote SMTP server.

If anyone needs me I'll be in the Angry Dome.

In reply to Re: Net::SMTP success / failure response by idsfa
in thread Net::SMTP success / failure response by Anonymous Monk

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