Hello, in my local application'm not having trouble sending email through SMTP on port 465 with authentication. But in my cloud server, the same application with the same settings can not connect to the server smtp.zoho.com. 

I am using the service provider DigitalOcean.com. My IP address is 107.170.177.18 in the cloud server. 

What can I be doing to solve this my problem? 

Sorry my english, I'm using google translator. 

Thank you.