Invalid address: (addAnAddress cc):
2025-06-18 05:44:45 SERVER -> CLIENT: 220-cpanelserver.onebasemedia.co.uk ESMTP Exim 4.98.2 #2 Wed, 18 Jun 2025 06:44:45 +0100 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
2025-06-18 05:44:45 CLIENT -> SERVER: EHLO downslandscapes.co.uk
2025-06-18 05:44:45 SERVER -> CLIENT: 250-cpanelserver.onebasemedia.co.uk Hello downslandscapes.co.uk [172.16.0.2]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250 HELP
2025-06-18 05:44:45 CLIENT -> SERVER: AUTH LOGIN
2025-06-18 05:44:45 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2025-06-18 05:44:45 CLIENT -> SERVER: Y29udGFjdGZvcm1AZG93bnNsYW5kc2NhcGVzLmNvLnVr
2025-06-18 05:44:45 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2025-06-18 05:44:45 CLIENT -> SERVER: Rmxvd2Vya2VudDIwMSE=
2025-06-18 05:44:47 SERVER -> CLIENT: 535 Incorrect authentication data
2025-06-18 05:44:47 SMTP ERROR: Password command failed: 535 Incorrect authentication data
SMTP Error: Could not authenticate.
2025-06-18 05:44:47 CLIENT -> SERVER: QUIT
2025-06-18 05:44:47 SERVER -> CLIENT: 221 cpanelserver.onebasemedia.co.uk closing connection
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
Message could not be sent.Mailer Error: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting