From usenet@gallaxial.com@3:633/280.2 to All on Mon Mar 18 08:06:03 2024
2024.03.16 17:33:40 SMTP R:504 unsupported AUTH security mechanism
2024.03.16 17:33:40 Could not authenticate to SMTP server
Mystic BBS ,User Email Validation make a Error
Mystic BUG
Found this:
It's because most sensible mail servers do not permit unencrypted AUTH - note that the capability list you receive from the server does not include AUTH - you
need to call STARTTLS first, which PHPMailer does automatically. You can't easily do this manually with telnet - use openssl's s_client command to do it better. There's an example in the PHPMailer troubleshooting guide, something like:
Look Like many Provider Update the Encryption , mystic Does not Being Update ......