• Mail send fails with mail account port 25 which does not need authentification.

    The problem is that the setting was correct SMTPAuth: false, but the protocol below shows SMTPAuth: bool(true)!!!

    Wolfgang

    P.S.
    Versions:
    WordPress: 5.0.1
    WordPress MS: No
    PHP: 7.3.0RC6
    WP Mail SMTP: 1.4.1

    Params:
    Mailer: smtp
    Constants: Yes
    ErrorInfo: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
    Host: xyz
    Port: 25
    SMTPSecure: string(0) “”
    SMTPAutoTLS: bool(false)
    SMTPAuth: bool(true)

    Server:
    OpenSSL: OpenSSL 1.1.0f 25 May 2017
    SMTP Debug:

    2018-12-15 08:19:28 CLIENT -> SERVER: EHLO timeshare-talk.info
    2018-12-15 08:19:28 SMTP Error: Could not authenticate.
    2018-12-15 08:19:28 CLIENT -> SERVER: QUIT
    2018-12-15 08:19:28 SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

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