メールサーバーのSSL自己署名証明書

メールサーバーのSSL自己署名証明書

package com.xxx.sxpush.config;

import javax.net.ssl.X509TrustManager;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

/**
 * Description: sxpush
 * User: jeikerxiao
 * Date: 2019-10-31 14:12
 */
public class MailTrustManager implements X509TrustManager {
    @Override
    public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {

    }

    @Override
    public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {

    }

    @Override
    public X509Certificate[] getAcceptedIssuers() {
        return new X509Certificate[0];
    }
}

package com.xxx.sxpush.config;

import javax.net.SocketFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;

/**
 * Description: 邮件SSL
 * User: jeikerxiao
 * Date: 2019-10-31 14:11
 */
public class MailSocketFactory extends SSLSocketFactory {

    private SSLSocketFactory factory;

    public MailSocketFactory() {
        try {
            SSLContext sslcontext = SSLContext.getInstance("TLS");
            sslcontext.init(null, new TrustManager[]{new MailTrustManager()}, null);
            factory = sslcontext.getSocketFactory();
        } catch (Exception ex) {
            // ignore
        }
    }

    public static SocketFactory getDefault() {
        return new MailSocketFactory();
    }

    @Override
    public Socket createSocket() throws IOException {
        return factory.createSocket();
    }

    @Override
    public Socket createSocket(Socket socket, String s, int i, boolean flag) throws IOException {
        return factory.createSocket(socket, s, i, flag);
    }

    @Override
    public Socket createSocket(InetAddress inaddr, int i, InetAddress inaddr1, int j) throws IOException {
        return factory.createSocket(inaddr, i, inaddr1, j);
    }

    @Override
    public Socket createSocket(InetAddress inaddr, int i) throws IOException {
        return factory.createSocket(inaddr, i);
    }

    @Override
    public Socket createSocket(String s, int i, InetAddress inaddr, int j) throws IOException {
        return factory.createSocket(s, i, inaddr, j);
    }

    @Override
    public Socket createSocket(String s, int i) throws IOException {
        return factory.createSocket(s, i);
    }

    @Override
    public String[] getDefaultCipherSuites() {
        return factory.getDefaultCipherSuites();
    }

    @Override
    public String[] getSupportedCipherSuites() {
        return factory.getSupportedCipherSuites();
    }
}

設定ファイル：

spring.mail.default-encoding=UTF-8
spring.mail.host=mail.csxbank.com
spring.mail.password=qdzt123456
spring.mail.username=qdzt@csxbank.com
spring.mail.protocol=smtp
spring.mail.port=465
spring.mail.properties.mail.smtp.starttls.enable=false
spring.mail.properties.mail.smtp.starttls.required=false
spring.mail.properties.mail.smtp.socketFactory.port=465
spring.mail.properties.mail.smtp.socketFactory.class=com.xxx.sxpush.config.MailSocketFactory
spring.mail.properties.mail.smtp.socketFactory.fallback=false