i do not manage to get it to work as well
this is what i get from my hosting for the settings i putted
Connection closed by foreign host.
root@datacenter [/home/pharmex/public_html/core/lib]# telnet 136.243.71.10 587
Trying 136.243.71.10...
Connected to 136.243.71.10.
Escape character is '^]'.
220-datacenter.oxiahosting.com ESMTP Exim 4.85 #2 Sun, 27 Sep 2015 16:21:44 +0200
220-We do not authorize the use of this system to transport unsolicited,
220 and/or bulk e-mail.