http://www.perlmonks.org?node_id=637226


in reply to Re^2: Error message not showing up from Net::SMTP
in thread Error message not showing up from Net::SMTP

Replace 
 
print "ERROR:  Could not authenticate user $user_id\n$!\n";

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with 
  
print "ERROR:  Could not authenticate user $user_id\n$: ".$mail->messa
+ge."\n";

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or equivalent.

In Section Seekers of Perl Wisdom