java - JavaMail SSL with no Authentication trust certificate regardless -


i have local mail server (hmailserver) ssl (port 465) , self-signed certificate.

domain "foobar.com"

i have setup properties enable ssl, disable auth, , trust host

    props.put("mail.smtp.auth", "false");     props.put("mail.smtp.ssl.enable", "true");     props.put("mail.smtp.ssl.trust", "*");

if send message through static call transport.send() email gets delivered.

if try transport instance session get

javax.net.ssl.sslhandshakeexception: sun.security.validator.validatorexception: pkix path building failed: sun.security.provider.certpath.suncertpathbuilderexception: unable find valid certification path requested target

how static call avoids sslhandshakeexception?

here's tester code:

public static void main(string[] args) throws exception {     properties props = new properties();     props.put("mail.smtp.host", "127.0.0.1");     props.put("mail.debug", "false");     props.put("mail.smtp.port", "465");     props.put("mail.smtp.timeout", "60000");     props.put("mail.smtp.auth", "false");     props.put("mail.smtp.sendpartial", "true");     props.put("mail.smtp.ssl.enable", "true");     props.put("mail.smtp.ssl.trust", "*");     session session = session.getinstance(props);     message message = new mimemessage(session);     message.setfrom(new internetaddress("mrfoo@foobar.com"));     message.setrecipients(message.recipienttype.to, internetaddress.parse("you@foobar.com"));     message.setsubject("just test " + new date());     message.settext("hello world");      //comment , uncomment test        transport.send(message, message.getallrecipients());      //transport t = session.gettransport("smtps");     //t.connect();     //t.sendmessage(message, message.getallrecipients());     //t.close(); }

this local system hidden outside, not worried man in middle attack generating own certificates bypass ssl handshake...

you asked "smtps" transport. set properties "smtp" transport. since you've set "mail.smtp.ssl.enable" property "true", can ask "smtp" transport , use ssl.


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