[英]Javamail (SMTPMessage/MimeMessage): ask for confirmation if the email was seen
I'm currently working on a simple app in Java that sends emails and I was wondering how can I make a message (MimeMessage/SMTPMessage) that asks to send confirmation (which says that the message was seen by recipient) after opening the message. 我目前正在使用Java中的一个简单应用程序来发送电子邮件,我想知道如何在打开消息后制作一条消息(MimeMessage / SMTPMessage),要求发送确认消息(该消息表明收件人看到了该消息)。 I have received some messages like this in the past.
过去我收到过类似的消息。
Thanks for your help, Assaultus Maximus :) 感谢您的帮助,Assaultus Maximus :)
SMTPMessage msg = new SMTPMessage(session);
// msg.addHeader("Disposition-Notification-To","info@host");
msg.setReturnOption(SMTPMessage.RETURN_FULL);
msg.setNotifyOptions(SMTPMessage.NOTIFY_SUCCESS);
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