JavaMail - SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS command firstHello, I was trying to send mails via GMail's smtp server (smtp.gmail.com) but the following exception occurred. I used port 25 (used 467 also, didnt work). Would anybody tell what the following exception mean. Thanx. com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS command first Here's my code: import javax.mail.*; import javax.mail.event.TransportListener; import java
