我尝试在发送的电子邮件中添加“列表取消订阅”标头(通过亚马逊 ses),但是当我看到收到的电子邮件时,其中没有这样的标头。我需要它来减少垃圾邮件投诉的数量并提高送达率和声誉。
SendEmailRequest sendEmailRequest = new SendEmailRequest();
sendEmailRequest.putCustomRequestHeader(UNSUBSCRIBE_HEADER, unsuscribeURL);
PS:使用其他提供商(例如 Mandrill 或 Sendgrid)它可以工作,但我在亚马逊真的需要它
所以...我找到了一个解决方法。 如果您想向消息添加自定义标头,请始终使用 RawMessage,而不是简单的消息。
类似这样的:
SendRawEmailRequest sendRawEmailRequest = new SendRawEmailRequest();
RawMessage rawMessage = null;
rawMessage = buildSimpleRawMessage(...);
sendRawEmailRequest.setRawMessage(rawMessage);
private RawMessage buildSimpleRawMessage(String subject, String message, Attachment attachment) {
RawMessage rawMessage = null;
try {
// JavaMail representation of the message
Session s = Session.getInstance(new Properties(), null);
MimeMessage mimeMessage = new MimeMessage(s);
// Subject
mimeMessage.setSubject(subject);
// Add a MIME part to the message
MimeMultipart mimeBodyPart = new MimeMultipart();
BodyPart part = new MimeBodyPart();
part.setContent(message, "text/html");
mimeBodyPart.addBodyPart(part);
// Add a attachement to the message
if(attachment!=null){
part = new MimeBodyPart();
DataSource source = null;
source = new ByteArrayDataSource(attachment.getBuf(), attachment.getMimeType());
part.setDataHandler(new DataHandler(source));
part.setFileName(attachment.getFileName());
mimeBodyPart.addBodyPart(part);
}
mimeMessage.setContent(mimeBodyPart);
mimeMessage.addHeader(UNSUBSCRIBE_HEADER, unsubscribeURL);
// Create Raw message
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
mimeMessage.writeTo(outputStream);
rawMessage = new RawMessage(ByteBuffer.wrap(outputStream.toByteArray()));
} catch (Exception e) {
logger.error("There was a problem creating mail attachment", e);
throw Throwables.propagate(e);
}
return rawMessage;
}
您可以随时使用
SendTest
API 方法;它有一个 headers 属性,所以不需要再使用原始消息来实现这一点。
https://docs.aws.amazon.com/ses/latest/APIReference-V2/API_SendEmail.html