Can receive but not send Zoho emails through Windows Live Mail

Can receive but not send Zoho emails through Windows Live Mail

ERROR CODE:

Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity.

Subject ''
Server: 'smtp.zoho.com'
Windows Live Mail Error ID: 0x800CCC0F
Protocol: SMTP
Port: 465
Secure(SSL): No

CONFIGURATION:

POP3
Outgoing (SMTP) = 465
Server =  smtp.zoho.com
"My server requires authentication" is checked

Incoming (POP3) = 995
Server = pop.zoho.com
"This server requires a secure connection (SSL) is checked

Username and password are correct (I'm receiving emails fine, just can't send through Live Mail)
Zoho POP Access Account Status =- "Enable for all messages"

Thanks for your assistance.