系统报警, 选择发邮件的形式, 被网易退信的解决办法
原因
平台支付业务需要同步订单数据, 通过 RPC 调用, 在最终失败时需要发送邮件告知运维人员, 故做了个 JAVA 邮件发送工具类
但是在测试支付失败场景时, 经过几次的发件之后, 再次发送被网易退件, 使用的是 163 邮箱, 查看错误码, 为垃圾邮件退件
查找解决办法为: 把原邮件抄送给发件人一份, 即可解决该问题, 并不在复现
代码
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/*
* Copyright (c) 2019 gomyck
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.gomyck.util;
import com.sun.net.ssl.internal.ssl.Provider;
import lombok.Data;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.security.Security;
import java.util.Properties;
/**
* 发送邮件工具类
*
* @author gomyck
*/
public abstract class EMailUtil {
private static Logger logger = LoggerFactory.getLogger(EMailUtil.class);
public static Session initSession(final String userName, final String password, SmtpSetting smtpSetting) {
Properties props = new Properties();
props.setProperty("mail.smtp.host", smtpSetting.getHost());
props.setProperty("mail.smtp.auth", smtpSetting.getAuth().toString());
props.setProperty("mail.debug", smtpSetting.getDebug().toString());
if (smtpSetting.getSsl()) {
Security.addProvider(new Provider());
props.setProperty("mail.smtp.ssl.enable", "true");
props.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.setProperty("mail.smtp.socketFactory.fallback", "false");
props.setProperty("mail.smtp.port", smtpSetting.getSslPort().toString());
props.setProperty("mail.smtp.socketFactory.port", smtpSetting.getSslPort().toString());
}
return Session.getDefaultInstance(props, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(userName, password);
}
});
}
public static void sendEmail(final Session session, final String sender, final String[] receivers, final String emailTitle, final String emailContent) throws MessagingException {
sendMessage(session, sender, receivers, null, null, emailTitle, emailContent, "text/html; charset=utf-8");
}
public static void sendEmailWithCopyers(final Session session, final String sender, final String[] receivers, final String[] copyers, final String emailTitle, final String emailContent) throws MessagingException {
sendMessage(session, sender, receivers, copyers, null, emailTitle, emailContent, "text/html; charset=utf-8");
}
public static void sendMessage(final Session session, final String sender, final String[] receivers, final String[] copyers, final String[] secretSenders, final String emailTitle, final String content, final String mimeType) throws MessagingException {
final Message message = new MimeMessage(session);
if (!StringJudge.isNull(sender)) {
final InternetAddress sentFrom = new InternetAddress(sender);
message.setFrom(sentFrom);
if (logger.isDebugEnabled()) {
logger.debug("e-mail sender: " + sentFrom);
}
}
if (receivers != null) {
final InternetAddress[] sendTo = new InternetAddress[receivers.length];
for (int i = 0; i < receivers.length; i++) {
sendTo[i] = new InternetAddress(receivers[i]);
if (logger.isDebugEnabled()) {
logger.debug("sending e-mail receivers: " + receivers[i]);
}
}
message.setRecipients(Message.RecipientType.TO, sendTo);
}
if (copyers != null) {
final InternetAddress[] copyTo = new InternetAddress[copyers.length];
for (int i = 0; i < copyers.length; i++) {
copyTo[i] = new InternetAddress(copyers[i]);
if (logger.isDebugEnabled()) {
logger.debug("copying e-mail receivers: " + copyers[i]);
}
}
message.setRecipients(Message.RecipientType.CC, copyTo);
}
if (secretSenders != null) {
final InternetAddress[] copyTo = new InternetAddress[secretSenders.length];
for (int i = 0; i < secretSenders.length; i++) {
copyTo[i] = new InternetAddress(secretSenders[i]);
if (logger.isDebugEnabled()) {
logger.debug("blind copying e-mail receivers: " + secretSenders[i]);
}
}
message.setRecipients(Message.RecipientType.BCC, copyTo);
}
message.setSubject((emailTitle == null) ? "(no emailTitle)" : emailTitle);
message.setContent(content, mimeType);
message.setSentDate(new java.util.Date());
Address[] remainingAddresses = message.getAllRecipients();
int nAddresses = remainingAddresses.length;
boolean bFailedToSome = false;
final SendFailedException sendex = new SendFailedException("Unable receivers send message receivers some recipients");
do {
nAddresses = remainingAddresses.length;
try {
Transport.send(message, remainingAddresses);
} catch (final SendFailedException ex) {
bFailedToSome = true;
sendex.setNextException(ex);
remainingAddresses = ex.getValidUnsentAddresses();
}
} while (remainingAddresses != null && remainingAddresses.length > 0 && remainingAddresses.length != nAddresses);
if (bFailedToSome) {
throw sendex;
}
}
public static void sendTextMessageToManyReceivers(final Session session, final String sender, final String[] receivers, final String[] copyers, final String[] secretSenders, final String emailTitle, final String content) throws MessagingException {
sendMessage(session, sender, receivers, copyers, secretSenders, emailTitle, content, "text/plain; charset=utf-8");
}
public static void sendTextMessageToOneReceiver(final Session session, final String sender, final String receivers, final String[] copyers, final String[] secretSenders, final String emailTitle, final String content) throws MessagingException {
String[] recipient = null;
if (receivers != null) {
recipient = new String[]{receivers};
}
sendMessage(session, sender, recipient, copyers, secretSenders, emailTitle, content, "text/plain; charset=utf-8");
}
public static void sendTextMessageToOneReceiverAndOneCopyer(final Session session, final String sender, final String receivers, final String copyers, final String secretSenders, final String emailTitle, final String content) throws MessagingException {
String[] recipient = null;
String[] copy = null;
String[] bcopy = null;
if (receivers != null) {
recipient = new String[]{receivers};
}
if (copyers != null) {
copy = new String[]{copyers};
}
if (secretSenders != null) {
bcopy = new String[]{secretSenders};
}
sendMessage(session, sender, recipient, copy, bcopy, emailTitle, content, "text/plain; charset=utf-8");
}
public static void sendHTMLMessageToManyReceivers(final Session session, final String sender, final String[] receivers, final String[] copyers, final String[] secretSenders, final String emailTitle, final String content) throws MessagingException {
sendMessage(session, sender, receivers, copyers, secretSenders, emailTitle, content, "text/html; charset=utf-8");
}
public static void sendHTMLMessageToOneReceiver(final Session session, final String sender, final String receivers, final String[] copyers, final String[] secretSenders, final String emailTitle, final String content) throws MessagingException {
String[] recipient = null;
if (receivers != null) {
recipient = new String[]{receivers};
}
sendMessage(session, sender, recipient, copyers, secretSenders, emailTitle, content, "text/html; charset=utf-8");
}
public static void sendHTMLMessageToOneReceiverAndOneCopyer(final Session session, final String sender, final String receivers, final String copyers, final String secretSenders, final String emailTitle, final String content) throws MessagingException {
String[] recipient = null;
String[] copy = null;
String[] bcopy = null;
if (receivers != null) {
recipient = new String[]{receivers};
}
if (copyers != null) {
copy = new String[]{copyers};
}
if (secretSenders != null) {
bcopy = new String[]{secretSenders};
}
sendMessage(session, sender, recipient, copy, bcopy, emailTitle, content, "text/html; charset=utf-8");
}
@Data
public static class SmtpSetting {
private String host;
private Boolean auth = true;
private Boolean ssl = false;
private Boolean debug = false;
private Integer sslPort = 994;
}
}