question: @ Override public void sendMail ( MimeMessage message ) throws MessagingException { MailAddress sender = new MailAddress ( ( InternetAddress ) message . getFrom ( ) [ 0 ] ) ; Collection < MailAddress > recipients = new HashSet < MailAddress > ( ) ; Address addresses [ ] = message . getAllRecipients ( ) ; if ( addresses != null ) { for ( Address address : addresses ) { if ( address instanceof InternetAddress ) { recipients . add ( new MailAddress ( ( InternetAddress ) address ) ) ; } } } sendMail ( sender , recipients , message ) ; }
target:  Place a mail on the spool for processing