Can anyone help me with a mail server certificate?
Recently, everything was working fine, but now my site has stopped sending mail.
The WP mail SMTP plugin shows an error like this.
I tried reinstalling the certificate, but that didn’t help
Versions:
WordPress: 6.0.1
WordPress MS: No
PHP: 8.0.17
WP Mail SMTP: 3.5.1
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 failed
Host: mail.ininterio.com
Port: 587
SMTPSecure:
tls
SMTPAutoTLS:
bool(true)
SMTPAuth:
bool(true)
Server:
OpenSSL: OpenSSL 1.0.2k 26 Jan 2017
Apache.mod_security: No
Debug:
Email Source: WP Mail SMTP Mailer: Other SMTP 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
SMTP Debug:
2022-08-11 13:13:29 Connection: opening to mail.ininterio.com:587, timeout=300, options=array()
2022-08-11 13:13:29 Connection: opened
2022-08-11 13:13:29 SERVER → CLIENT: 220 mail.ininterio.com ESMTP Postfix
2022-08-11 13:13:29 CLIENT → SERVER: EHLO ininterio.com
2022-08-11 13:13:29 SERVER → CLIENT: 250-mail.ininterio.com250-PIPELINING250-SIZE 30720000250-ETRN250-STARTTLS250-ENHANCEDSTATUSCODES250-8BITMIME250-DSN250 CHUNKING
2022-08-11 13:13:29 CLIENT → SERVER: STARTTLS
2022-08-11 13:13:29 SERVER → CLIENT: 220 2.0.0 Ready to start TLS
2022-08-11 13:13:29 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 [/home/ininterio.com/public_html/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
2022-08-11 13:13:29 CLIENT → SERVER: QUIT
2022-08-11 13:13:29
2022-08-11 13:13:29
2022-08-11 13:13:29 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