fix(db-error-return): ZMS-189-1 (#42)

* fix logical error with tempfail

* fix subject issue when using api. add debugJson to gelf

* safer delete with check

* Add better SMTP error message

* make message shorter

* comment

* check for aliases, fix normalization

* comment refactor

* addrview constists of unameview + @ + domain. Fix bugs

* if DB error just return from plugin with no error

* comment

index.js

@@ -192,6 +192,7 @@ module.exports.init = async app => {
                 _err_json: JSON.stringify(err)
             });
             // throw app.reject(envelope, 'tempfail', messageinfo, 'Temporary error, please try again later.');
+            // return from plugin
             return;
         }