Tag: dovecot

从Nodemailer到Postfix的encryption连接失败，并显示“SSL23_GET_SERVER_HELLO：unknown protocol”

我使用Postfix和Dovecotconfiguration了一个SMTP邮件服务器。 操作系统：Debian 9 Web服务器：Apache 来自https://www.sslforfree.com/的证书 当我尝试使用外部客户端通过TLS发送电子邮件时，出现以下错误： /var/log/syslog ： Oct 31 19:40:49 designtuner postfix/submission/smtpd[30394]: connect from unknown[185.81.141.117] Oct 31 19:40:49 designtuner postfix/submission/smtpd[30395]: connect from unknown[185.81.141.117] Oct 31 19:40:49 designtuner postfix/submission/smtpd[30394]: lost connection after CONNECT from unknown[185.81.141.117] Oct 31 19:40:49 designtuner postfix/submission/smtpd[30394]: disconnect from unknown[185.81.141.117] commands=0/0 Oct 31 19:40:49 designtuner postfix/submission/smtpd[30395]: lost connection after CONNECT from unknown[185.81.141.117] […]