Yes ElvirD problem is this.... but I generate other certificate for mail.domain.it and try If this working thanks for your help and sorry for my language
Cal.
Yes...have deleted certificate in Plesk...have request new certificate, have deleted certificate in /usr/share/imapd.pem
/usr/share/pop3d.pem /etc/postfix/postfix_default.pem and have reupload new... but have identical problem
Yes....If I autorize certificate , reveced email...If I send email have error ...Error is : Server not supported metod cryptography for specificated connection...
Ok I have found problem I have sending email at my account google...I read header...mail sending with hostname server not with domain how I have SSL is possible this is error ?