2025-07-01 15:37:25 SERVER -&gt; CLIENT: 220-atm-portal-cp01.ilimit.es ESMTP Exim 4.98.2 #2 Tue, 01 Jul 2025 17:37:25 +0200 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.<br>
2025-07-01 15:37:25 CLIENT -&gt; SERVER: EHLO atmcamptarragona.info<br>
2025-07-01 15:37:25 SERVER -&gt; CLIENT: 250-atm-portal-cp01.ilimit.es Hello atmcamptarragona.info [80.94.7.7]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250-STARTTLS250 HELP<br>
2025-07-01 15:37:25 CLIENT -&gt; SERVER: STARTTLS<br>
2025-07-01 15:37:25 SERVER -&gt; CLIENT: 220 TLS go ahead<br>
SMTP Error: Could not connect to SMTP host.<br>
2025-07-01 15:37:25 CLIENT -&gt; SERVER: QUIT<br>
2025-07-01 15:37:26 <br>
2025-07-01 15:37:26 <br>
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting<br>
Mailer Error: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting