2026-04-17 10:03:42 CLIENT -&gt; SERVER: EHLO 108.61.209.243<br>
2026-04-17 10:03:42 CLIENT -&gt; SERVER: STARTTLS<br>
2026-04-17 10:03:42 CLIENT -&gt; SERVER: EHLO 108.61.209.243<br>
2026-04-17 10:03:42 CLIENT -&gt; SERVER: AUTH LOGIN<br>
2026-04-17 10:03:42 CLIENT -&gt; SERVER: [credentials hidden]<br>
2026-04-17 10:03:42 CLIENT -&gt; SERVER: [credentials hidden]<br>
2026-04-17 10:03:43 SMTP ERROR: Password command failed: 535-5.7.8 Username and Password not accepted. For more information, go to535 5.7.8  https://support.google.com/mail/?p=BadCredentials 5b1f17b1804b1-488fb74eed9sm18933675e9.1 - gsmtp<br>
SMTP Error: Could not authenticate.<br>
2026-04-17 10:03:43 CLIENT -&gt; SERVER: QUIT<br>
SMTP Error: Could not authenticate.<br>
<br />
<b>Fatal error</b>:  Uncaught PHPMailer\PHPMailer\Exception: SMTP Error: Could not authenticate. in /usr/local/www/projects/libs/PHPMailer/PHPMailer.php:2212
Stack trace:
#0 /usr/local/www/projects/libs/PHPMailer/PHPMailer.php(2019): PHPMailer\PHPMailer\PHPMailer-&gt;smtpConnect()
#1 /usr/local/www/projects/libs/PHPMailer/PHPMailer.php(1678): PHPMailer\PHPMailer\PHPMailer-&gt;smtpSend()
#2 /usr/local/www/projects/libs/PHPMailer/PHPMailer.php(1516): PHPMailer\PHPMailer\PHPMailer-&gt;postSend()
#3 /usr/local/www/projects/test/smtp.php(66): PHPMailer\PHPMailer\PHPMailer-&gt;send()
#4 {main}
  thrown in <b>/usr/local/www/projects/libs/PHPMailer/PHPMailer.php</b> on line <b>2212</b><br />