WP Mail SMTP服务器证书配置错误。这意味着服务器上的OpenSSL无法验证主机证书。
服务器证书配置错误。
这意味着服务器上的OpenSSL无法验证主机证书。
发生这种情况有几个原因。 可能是主机证书配置错误,或者该服务器的OpenSSL使用的是过时的CA捆绑软件。
建议的处理步骤:
验证主机的SSL证书是否有效。
请联系您的主机支持,向他们提供下面的 "用于调试的完整错误日志",并附上此链接。
使用25端口同样出现错误:
检测出问题。
这意味着您的测试邮件无法发送。
通常,返回此错误是因为以下原因之一而导致:
插件设置不正确,例如错误的 SMTP 设置、不正确的邮件程序设置等。
目前的网站服务器阻止了发送至 SMTP 服务器的连接。
您的SMTP主机拒绝连接。
错误日志:SSL-465
Versions:
WordPress: 6.4.2
WordPress MS: Yes
PHP: 8.1.26
WP Mail SMTP: 3.11.0
Params:
Mailer: smtp
Constants: No
ErrorInfo: SMTP Error: Could not connect to SMTP host. Failed to connect to serverSMTP server error: Failed to connect to server
Host: smtp.qq.com
Port: 465
SMTPSecure: ssl
SMTPAutoTLS: bool(true)
SMTPAuth: bool(true)
Server:
OpenSSL: OpenSSL 1.1.1w 11 Sep 2023
Debug:
Email Source: WP Mail SMTP
Mailer: 其他 SMTP
SMTP Error: Could not connect to SMTP host. Failed to connect to serverSMTP server error: Failed to connect to server
SMTP Debug:
2024-01-04 03:58:44 Connection: opening to ssl://smtp.qq.com:465, timeout=300, options=array()
2024-01-04 03:58:44 Connection failed. Error #2: stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages:error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed [/home/wwwroot/ibox_2/domain/Site_2/web/wp-includes/PHPMailer/SMTP.php line 397]
2024-01-04 03:58:44 Connection failed. Error #2: stream_socket_client(): Failed to enable crypto [/home/wwwroot/123/domain/123/web/wp-includes/PHPMailer/SMTP.php line 397]
2024-01-04 03:58:44 Connection failed. Error #2: stream_socket_client(): Unable to connect to ssl://smtp.qq.com:465 (Unknown error) [/home/wwwroot/123/domain/123/web/wp-includes/PHPMailer/SMTP.php line 397]
2024-01-04 03:58:44 SMTP ERROR: Failed to connect to server: (0)
SMTP Error: Could not connect to SMTP host. Failed to connect to server
错误日志:非加密 25
Versions:
WordPress: 6.4.2
WordPress MS: Yes
PHP: 8.1.26
WP Mail SMTP: 3.11.0
Params:
Mailer: smtp
Constants: No
ErrorInfo: SMTP Error: Could not connect to SMTP host. Failed to connect to serverSMTP server error: Failed to connect to server SMTP code: 101 Additional SMTP info: Network is unreachable
Host: smtp.qq.com
Port: 25
SMTPSecure: string(0) ""
SMTPAutoTLS: bool(true)
SMTPAuth: bool(true)
Server:
OpenSSL: OpenSSL 1.1.1w 11 Sep 2023
Debug:
Email Source: WP Mail SMTP
Mailer: 其他 SMTP
SMTP Error: Could not connect to SMTP host. Failed to connect to serverSMTP server error: Failed to connect to server SMTP code: 101 Additional SMTP info: Network is unreachable
SMTP Debug:
2024-01-04 04:32:07 Connection: opening to smtp.qq.com:25, timeout=300, options=array()
2024-01-04 04:34:17 Connection failed. Error #2: stream_socket_client(): Unable to connect to smtp.qq.com:25 (Network is unreachable) [/home/wwwroot/ibox_2/domain/Site_2/web/wp-includes/PHPMailer/SMTP.php line 397]
2024-01-04 04:34:17 SMTP ERROR: Failed to connect to server: Network is unreachable (101)
SMTP Error: Could not connect to SMTP host. Failed to connect to server
465端口的报错是ssl验证不通过,估计是系统ca根证书有问题或是过期,
可以到『网站』环境配置,编辑配置,手动加一行指定cafile,如:
openssl.cafile = /usr/local/amh-7.1/etc/ca-bundle-2023.crt
再测试看。
25端口是网络问题,估计服务器25端口不通,如果是国内的服务器要在主机商那边申请开通。