question: public void doSendEmail ( EmailParams emailParams ) throws IOException { List < String > filterDomains = new ArrayList < > ( ) ; filterDomains . add ( "qq.com" ) ; filterDomains . add ( "foxmail.com" ) ; filterDomains . add ( "fudan.edu.cn" ) ; filterDomains . add ( "hotmail.com" ) ; filterDomains . add ( "outlook.com" ) ; sendViaSendcloudApi ( emailParams ) ; }
target:  Invoked from RabbitMQ message handler