If the STARTTLS encryption for the outgoing server is not working or unavailable for any reason, you can use the following encryption: Encryption: SSL/TLS Port: 465 For your information, setting up ...
Update January 03, 10:23 EST: Shadowserver has suspended the IMAP and POP3 TLS reports because of potential false positives. Over three million POP3 and IMAP mail servers without TLS encryption are ...