Failed message 1: javax.mail.MessagingException: java.net.SocketException: Connection closed by remote host

my settings looks like:

mail:
    host: smtp.zoho.com
    port: 587
    username: no-reply@xxx.com   #Replace this field with your Zoho username.
    password: xxxx          #Replace this field with your Zoho password.
    protocol: smtp
    tls: true
    properties.mail.smtp:
        auth: true
        starttls.enable: true
        ssl.trust: smtp.zoho.com