2025-11-06 21:06:51 Connection: opening to red.paragraf.rs:25, timeout=300, options=array ( ) 2025-11-06 21:06:51 Connection: opened 2025-11-06 21:06:51 SERVER -> CLIENT: 220-srv3.paragraf.rs ESMTP Exim 4.98.2 #2 Thu, 06 Nov 2025 22:06:51 +0100 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail. 2025-11-06 21:06:51 CLIENT -> SERVER: EHLO redakcija.paragraf.rs 2025-11-06 21:06:51 SERVER -> CLIENT: 250-srv3.paragraf.rs Hello redakcija.paragraf.rs [162.55.233.76] 250-SIZE 52428800 250-LIMITS MAILMAX=1000 RCPTMAX=50000 250-8BITMIME 250-PIPELINING 250-PIPECONNECT 250-AUTH PLAIN LOGIN 250-STARTTLS 250 HELP 2025-11-06 21:06:51 CLIENT -> SERVER: STARTTLS 2025-11-06 21:06:51 SERVER -> CLIENT: 220 TLS go ahead 2025-11-06 21:06:51 CLIENT -> SERVER: EHLO redakcija.paragraf.rs 2025-11-06 21:06:51 SERVER -> CLIENT: 250-srv3.paragraf.rs Hello redakcija.paragraf.rs [162.55.233.76] 250-SIZE 52428800 250-LIMITS MAILMAX=1000 RCPTMAX=50000 250-8BITMIME 250-PIPELINING 250-PIPECONNECT 250-AUTH PLAIN LOGIN 250 HELP 2025-11-06 21:06:51 CLIENT -> SERVER: AUTH LOGIN 2025-11-06 21:06:51 SERVER -> CLIENT: 334 VXNlcm5hbWU6 2025-11-06 21:06:51 CLIENT -> SERVER: cGl0YW5qYUByZWRha2NpamEucGFyYWdyYWYucnM= 2025-11-06 21:06:51 SERVER -> CLIENT: 334 UGFzc3dvcmQ6 2025-11-06 21:06:51 CLIENT -> SERVER: YldyMUw5Q05oUjg0 2025-11-06 21:06:53 SERVER -> CLIENT: 535 Incorrect authentication data 2025-11-06 21:06:53 SMTP ERROR: Password command failed: 535 Incorrect authentication data 2025-11-06 21:06:53 SMTP Error: Could not authenticate. 2025-11-06 21:06:53 CLIENT -> SERVER: QUIT 2025-11-06 21:06:53 SERVER -> CLIENT: 221 srv3.paragraf.rs closing connection 2025-11-06 21:06:53 Connection: closed 2025-11-06 21:06:53 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