Error smtp cliente connect

2018-10-08 09:56:34 SMTP connection from [XXX.XXX.XXX.XXX]:58840 (TCP/IP connection count = 32) 2018-10-08 09:56:34 TLS error on connection from [XXX.XXX.XXX.XXX]58840 (SSL_accept): error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol All connections made by SSL or TLS do not work. is only working on Porta 587 - 110 and 143