I want to use this plugin - WP Mail SMTP
Error log
~~ Versions:
WordPress: 6.1.1
WordPress MS: No
PHP: 7.4.33
WP Mail SMTP: 3.7.0
Params:
Mailer: smtp
Constants: No
ErrorInfo: SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failedSMTP server error: QUIT command failed Detail: MIA��nɕ�7s|Iqa����P��NW5jn���#x�$���h�}�v���4X�S��ɥ�A���Ek����ksY��D�
�x����;T��[��j�=��۾�E�D.��lN�_jA��1;S6�,�ܠL�O��eF�ri���Xnr���� e�85��(h�(�Say�U] ����6P�>��8��e�I
��~)��$�?���)|������N�[����R2�С�3 ��/9���o&�,lD�lm��w��ࡶ�d���APh�.E�����BG
Host: mail.rndfo.com
Port: 587
SMTPSecure: tls
SMTPAutoTLS: bool(true)
SMTPAuth: bool(false)
Server:
OpenSSL: OpenSSL 1.0.2u 20 Dec 2019
Debug:
Email Source: WP Mail SMTP Pro
Mailer: Other SMTP
SMTP Error: Could not connect to SMTP host. Failed to connect to serverSMTP server error: Failed to connect to server
SMTP Debug:
2023-02-17 17:07:28 Connection: opening to mail.rndfo.com:587, timeout=300, options=array()
2023-02-17 17:07:28 Connection: opened
2023-02-17 17:07:28 SERVER -> CLIENT: 220 vmi406994.contaboserver.net ESMTP Postfix
2023-02-17 17:07:28 CLIENT -> SERVER: EHLO rndfo.com
2023-02-17 17:07:28 SERVER -> CLIENT: 250-vmi406994.contaboserver.net250-PIPELINING250-SIZE 102400000250-VRFY250-ETRN250-STARTTLS250-ENHANCEDSTATUSCODES250-8BITMIME250-DSN250-SMTPUTF8250 CHUNKING
2023-02-17 17:07:28 CLIENT -> SERVER: STARTTLS
2023-02-17 17:07:28 SERVER -> CLIENT: 220 2.0.0 Ready to start TLS
2023-02-17 17:07:28 Connection failed. Error #2: stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed [/www/wwwroot/rndfo.com/wp-includes/PHPMailer/SMTP.php line 468]
SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed
2023-02-17 17:07:28 CLIENT -> SERVER: QUIT
2023-02-17 17:07:28
2023-02-17 17:07:28
2023-02-17 17:07:28 Connection: closed
SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed
~~