The remote certificate is invalid according to the validation procedure.

[georgemr]

Hi everyone, im trying to send emails from my web application and when I use the SSL option my app throws me an Exception and says: The remote certificate is invalid according to the validation procedure. Im using the port 25. If i send without the SSL, the email sends successfully.

If i change the port to 587 without SSL i got the next message:
Transaction failed. The server response was: 5.7.1 <unknown[192.168.1.100]>: Client host rejected: Access denied
and if a send it with the SSL I receive the same message of the remote certificate.

I was reading some posts and says that is better to send emails from the port 587, how i can solve this problems ?
What does this means? and what i need to do to send mails with the ssl.

Thanks a lot! I appreciate a lot your answers.