在项目里面使用javamail在window环境正常,放在服务器上面的时候抛出异常javax.mail.MessagingException: 501 Syntax: HELO hostname ,原因是在linux无法解析邮件服务器名称为ip地址,解决方法有二种:
第一种,在linux服务器上面,/etc/hosts
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127.0.0.1 localhost ::1 localhost6.localdomain6 localhost6 |
第二种,在java代码里面配置 props.put("mail.smtp.localhost", "127.0.0.1");这事关键的地方~!
Mail.java
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/** * @author huangjing * @date 2014-2-13 */public class Mail { static
int _PORT = 465; // smtp端口// static String _SERVER = "smtp.exmail.qq.com"; // smtp服务器地址 static
String _SERVER = "113.108.16.119";// static String _FROM = "huangjing@yangchehome.com"; // 发送者 static
String _FROM = "养车之家"; // 发送者 static
String _USER = "customer_service@yangchehome.com"; // 发送者地址 static
String _PASSWORD = "邮箱的密码"; // 密码 static
String _PC_IP = "127.0.0.1";} |
SendMail.java
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public class SendMail { private
static String ERROR_MASSAGE = "邮件发送失败,请稍后再试!"; private
static String SUCCESS_MASSAGE = "邮件发送成功!"; private
Logger logger = Logger.getLogger(SendMail.class); /** * @param args * @throws UnsupportedEncodingException */ public
boolean sendMain(String subject, String content, String to) throws
UnsupportedEncodingException { try
{ Properties props = new
Properties(); props.put("mail.smtp.host", Mail._SERVER); props.put("mail.smtp.port", Mail._PORT); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.localhost", Mail._PC_IP); Transport transport = null; Session session = Session.getDefaultInstance(props, null); transport = session.getTransport("smtp"); transport.connect(Mail._SERVER, Mail._USER, Mail._PASSWORD); MimeMessage msg = new
MimeMessage(session); msg.setSentDate(new
Date());// InternetAddress fromAddress = new InternetAddress(// Mail._USER, MimeUtility.encodeText(new String(// Mail._FROM.getBytes("ISO-8859-1"),// "UTF-8"), "gb2312", "B")); InternetAddress fromAddress = new
InternetAddress( Mail._USER, MimeUtility.encodeText(Mail._FROM, "gb2312", "B")); //编码方式有两种："B"代表Base64、"Q"代表QP（quoted-printable）方式。 msg.setFrom(fromAddress); InternetAddress toAddress = new
InternetAddress(to); msg.setRecipient(Message.RecipientType.TO, toAddress); msg.setSubject(subject, "UTF-8"); msg.setText(content, "UTF-8"); msg.saveChanges(); transport.sendMessage(msg, msg.getAllRecipients()); transport.close(); } catch
(NoSuchProviderException e) { e.printStackTrace(); logger.error(e.getMessage()); return
false; } catch
(MessagingException e) { e.printStackTrace(); logger.error(e.getMessage()); return
false; } return
true; } public
boolean sendMainHTML(String subject, String content, String to) throws
UnsupportedEncodingException { try
{ Properties props = new
Properties(); props.put("mail.smtp.host", Mail._SERVER); props.put("mail.smtp.port", Mail._PORT); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.localhost", Mail._PC_IP); Transport transport = null; Session session = Session.getDefaultInstance(props, null); transport = session.getTransport("smtp"); transport.connect(Mail._SERVER, Mail._USER, Mail._PASSWORD); MimeMessage msg = new
MimeMessage(session); msg.setSentDate(new
Date());// InternetAddress fromAddress = new InternetAddress(// Mail._USER, MimeUtility.encodeText(// new String(Mail._FROM// .getBytes("ISO-8859-1"), "UTF-8"),// "gb2312", "B")); InternetAddress fromAddress = new
InternetAddress( Mail._USER, MimeUtility.encodeText( Mail._FROM, "gb2312", "B")); //编码方式有两种："B"代表Base64、"Q"代表QP（quoted-printable）方式。 msg.setFrom(fromAddress); InternetAddress toAddress = new
InternetAddress(to); msg.setRecipient(Message.RecipientType.TO, toAddress); msg.setSubject(subject, "UTF-8"); msg.setContent(content, "text/html;charset=UTF-8"); msg.saveChanges(); transport.sendMessage(msg, msg.getAllRecipients()); transport.close(); } catch
(NoSuchProviderException e) { e.printStackTrace(); logger.error(e.getMessage(),e); return
false; } catch
(MessagingException e) { e.printStackTrace(); logger.error(e.getMessage(),e); return
false; } return
true; }} |
javax.mail.MessagingException: 501 Syntax: HELO hostname Linux端异常解决
原文：http://www.cnblogs.com/simpledev/p/3554175.html