Send email via Gmail SMTP server in PHP
Gmail SMTP
2025-09-17 20:40:59 SERVER -> CLIENT: 220-ambient.aslinser2.com ESMTP Exim 4.98.2 #2 Wed, 17 Sep 2025 21:40:59 +0100 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
2025-09-17 20:40:59 CLIENT -> SERVER: EHLO 1st-choice-formations.co.uk
2025-09-17 20:40:59 SERVER -> CLIENT: 250-ambient.aslinser2.com Hello 1st-choice-formations.co.uk [204.12.204.170]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250-STARTTLS250 HELP
2025-09-17 20:40:59 CLIENT -> SERVER: STARTTLS
2025-09-17 20:40:59 SERVER -> CLIENT: 220 TLS go ahead
SMTP Error: Could not connect to SMTP host.
2025-09-17 20:40:59 CLIENT -> SERVER: QUIT
2025-09-17 20:40:59
2025-09-17 20:40:59
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
Mailer Error: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting