Solved TLS Error directadmin
If you meet the problem some mail cannot recieved in Directadmin host. And after you check in
Exim log it show
2xxx-xx-xx xx:xx:xx TLS error on connection from xxxserver.com (xxxserver.com) [xxx.xx.xx.xxx] (SSL_CTX_use_PrivateKey_file file=/etc/exim.key): error:0200100D:system library:fopen:Permission denied
You can fix it by chown command.
chown mail:mail /etc/exim.cert
chown mail:mail /etc/exim.key
And verify.
ls -l /etc/exi*
-rwxr-xr-x 1 mail mail 1399 Jan 6 12:25 /etc/exim.cert
-rwxr-xr-x 1 root root 35574 Jan 18 13:53 /etc/exim.conf
-rw------- 1 mail mail 887 Jan 6 12:25 /etc/exim.key
-rwxr-xr-x 1 root root 6912 Jan 14 11:48 /etc/exim.pl