2025-08-18 18:43:35 SERVER -&gt; CLIENT: 220 srva148.controlvps.com ESMTP Postfix (Ubuntu)<br>
2025-08-18 18:43:35 CLIENT -&gt; SERVER: EHLO www.vallepunilla.com.ar<br>
2025-08-18 18:43:35 SERVER -&gt; CLIENT: 250-srva148.controlvps.com250-PIPELINING250-SIZE250-VRFY250-ETRN250-STARTTLS250-AUTH PLAIN LOGIN250-AUTH=PLAIN LOGIN250-ENHANCEDSTATUSCODES250-8BITMIME250-DSN250 CHUNKING<br>
2025-08-18 18:43:35 CLIENT -&gt; SERVER: STARTTLS<br>
2025-08-18 18:43:35 SERVER -&gt; CLIENT: 220 2.0.0 Ready to start TLS<br>
SMTP Error: Could not connect to SMTP host.<br>
2025-08-18 18:43:35 CLIENT -&gt; SERVER: QUIT<br>
2025-08-18 18:43:35 <br>
2025-08-18 18:43:35 <br>
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting<br>
Mailer Error: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting