Message有设置群发邮件的接口:
String CC = ("[email protected],[email protected]");
StringTokenizer st = new StringTokenizer(CC,",");
while(st.hasMoreTokens()) {
message.addRecipient(Message.RecipientType.CC,new InternetAddress(st.nextToken()));
}Message.RecipientType.TO只能设定单个邮件接收者,"[email protected],[email protected]"不符合InternetAddress构造函数对字符串的要求。