(未知发件人)从java应用程序发送带有在iText中创建的pdf附件的电子邮件时
我在一个网页上有一个链接,可以从localhost SMTP发送电子邮件,其中包含从我制作的iText创建的pdf附件,该链接可以正常工作,但是当我收到电子邮件时,我看不到发件人的名称/地址 它在我的gmail收件箱中显示为来自“(未知发件人)”,如果我点击“回复”,则“收件人”框完全为空。在hotmail中显示为来自“(未知)”,但当我打开它时,发件人显示为“admin@whatever.com代表(未知)” 当我通过telnet在服务器上测试SMTP时,我创建的发送方名称就可以通过了。我怎样才能让它在应用程序发送电子邮件时显示出来 以下是发送电子邮件的代码:(未知发件人)从java应用程序发送带有在iText中创建的pdf附件的电子邮件时,java,email,smtp,itext,jakarta-mail,Java,Email,Smtp,Itext,Jakarta Mail,我在一个网页上有一个链接,可以从localhost SMTP发送电子邮件,其中包含从我制作的iText创建的pdf附件,该链接可以正常工作,但是当我收到电子邮件时,我看不到发件人的名称/地址 它在我的gmail收件箱中显示为来自“(未知发件人)”,如果我点击“回复”,则“收件人”框完全为空。在hotmail中显示为来自“(未知)”,但当我打开它时,发件人显示为“admin@whatever.com代表(未知)” 当我通过telnet在服务器上测试SMTP时,我创建的发送方名称就可以通过了。我怎样
String smtpHost = "localhost";
int smtpPort = 25;
String sender = "admin@whatever.com";
String[] recipient = pdfEmail.replaceAll("\\ ", "").split(",");
String content = "whatever";
String subject = "whatever";
Properties props = new Properties();
props.put("mail.smtp.host", smtpHost);
props.put("mail.smtp.user", sender);
props.put("mail.smtp.port", smtpPort);
Session session = Session.getDefaultInstance(props, null);
ByteArrayOutputStream outputStream = null;
try {
//construct the text body part
MimeBodyPart textBodyPart = new MimeBodyPart();
textBodyPart.setText(content);
//now write the PDF content to the output stream
outputStream = new ByteArrayOutputStream();
writePdf(outputStream); //creates PDF
byte[] bytes = outputStream.toByteArray();
//construct the pdf body part
DataSource dataSource = new ByteArrayDataSource(bytes, "application/pdf");
MimeBodyPart pdfBodyPart = new MimeBodyPart();
pdfBodyPart.setDataHandler(new DataHandler(dataSource));
pdfBodyPart.setFileName("test.pdf");
//construct the mime multi part
MimeMultipart mimeMultipart = new MimeMultipart();
mimeMultipart.addBodyPart(textBodyPart);
mimeMultipart.addBodyPart(pdfBodyPart);
//create the sender/recipient addresses
InternetAddress iaSender = new InternetAddress(sender);
InternetAddress[] toAddress = new InternetAddress[recipient.length];
// To get the array of addresses
for( int i=0; i < recipient.length; i++ ) {
toAddress[i] = new InternetAddress(recipient[i]);
}
//construct the mime message
MimeMessage mimeMessage = new MimeMessage(session);
for( int i=0; i < toAddress.length; i++) {
mimeMessage.addRecipient(Message.RecipientType.TO, toAddress[i]);
}
mimeMessage.setSender(iaSender);
mimeMessage.setSubject(subject);
mimeMessage.setRecipients(Message.RecipientType.TO, toAddress);
mimeMessage.setContent(mimeMultipart);
//send off the email
Transport.send(mimeMessage);
} catch(Exception ex) {
ex.printStackTrace();
} finally {
//clean off
if(null != outputStream) {
try { outputStream.close(); outputStream = null; }
catch(Exception ex) { }
}
}
}
String smtpHost=“localhost”;
int smtpPort=25;
字符串发送器=”admin@whatever.com";
String[]recipient=pdfEmail.replaceAll(“\\”,”).split(“,”);
String content=“无论如何”;
String subject=“无论如何”;
Properties props=新属性();
props.put(“mail.smtp.host”,smtpHost);
props.put(“mail.smtp.user”,发件人);
props.put(“mail.smtp.port”,smtpPort);
Session Session=Session.getDefaultInstance(props,null);
ByteArrayOutputStream outputStream=null;
试试{
//构建文本主体部分
MimeBodyPart textBodyPart=新的MimeBodyPart();
text bodypart.setText(内容);
//现在将PDF内容写入输出流
outputStream=新的ByteArrayOutputStream();
writePdf(outputStream);//创建PDF
byte[]bytes=outputStream.toByteArray();
//构造pdf主体部分
DataSource DataSource=新的ByteArrayDataSource(字节,“应用程序/pdf”);
MimeBodyPart pdfBodyPart=新的MimeBodyPart();
setDataHandler(新的DataHandler(dataSource));
setFileName(“test.pdf”);
//构造mime多部分
MimeMultipart MimeMultipart=新的MimeMultipart();
mimeMultipart.addBodyPart(textBodyPart);
mimeMultipart.addBodyPart(pdfBodyPart);
//创建发件人/收件人地址
InternetAddress iSender=新的InternetAddress(发送方);
InternetAddress[]toAddress=新的InternetAddress[recipient.length];
//获取地址数组的步骤
对于(int i=0;i
尝试使用mimeMessage.setFrom(…)
而不是mimeMessage.setSender(…)
试试这个
var email = new MimeMessage();
email.From.Add(MailboxAddress.Parse(request.From));
我欠你。。。这很有帮助