我试图从java应用程序发送邮件。我没有使用任何身份验证,因为我已经在身份验证后存储了数据库中的from地址。这是一封预定的电子邮件,因此我无法在发送邮件时获取密码。因此,我首先在验证后将电子邮件ID存储在表中,然后安排电子邮件。请检查以下代码
public void sendMessage(EmailMessage emailMessage) {
Properties props = mailConfiguration.getProps();
Session session = Session.getInstance(props);
MimeMessage mimeMessage = new MimeMessage(session);
try {
mimeMessage.setFrom(new InternetAddress(emailMessage.getFromAddress()));
mimeMessage.setRecipient(Message.RecipientType.TO,new InternetAddress(emailMessage.getToAddress()));
mimeMessage.setSubject(emailMessage.getSubject());
mimeMessage.setContent(emailMessage.getMessage(), "text/html");
mimeMessage.setSentDate(new Date());
Transport.send(mimeMessage);
LocalDateTime localDateTime = LocalDateTime.now();
Timestamp sendTime = Timestamp.valueOf(localDateTime);
emailMessage.setGeneratedTime(sendTime);
emailMessage.setStatus(MessageStatus.SENT);
} catch (AuthenticationFailedException e) {
log.error("Username and Password not accepted." + e.getMessage(), e);
emailMessage.setStatus(MessageStatus.ERROR);
} catch (MessagingException e) {
log.error("An exception occurred while sending mail from [" + emailMessage.getFromAddress() + "] to [" + emailMessage.getToAddress() + "] : " + e.getMessage(), e);
emailMessage.setStatus(MessageStatus.ERROR);
}
log.info("Changing message status of Email Message " + emailMessage.getId() + " to " + emailMessage.getStatus());
emailMessageRepository.save(emailMessage);
}
电子邮件配置如下
@Configuration
public class MailConfiguration {
Properties props = new Properties();
public MailConfiguration() {
props.put("mail.transport.protocol", "smtp");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.starttls.required", "true");
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587");
props.put("mail.debug", "false");
}
public Properties getProps() {
return props;
}
}
问题是我无法使用此发送电子邮件。相反,我得到一个例外
javax.mail.AuthenticationFailedException:null
问题是什么 ?我在这里搜索了几乎相似的问题但他们没有解释我的情况
您需要进行身份验证。将From地址存储在数据库中是不够的。