Email sender is using an old mail client

Dear All, My email cannot receive any email from a domain. And i have check the Delivery Report, there are no any record about it. But i have find some error in exim_maillog. 2018-01-07 02:32:40 TLS error on connection from exchtp.xxxx [xxxxx]:5945 (SSL_accept): error:1408A0C1:SSL routines:ssl3_get_client_hello:no shared cipher 2018-01-07 02:32:40 SMTP connection from exchtp.xxxx [xxxxx]:5945 closed by EOF I find out some information. Those said sender is using an old mail client. Can I fix the problem on my side? Thanks a lot Jason