IPB Settings Not Working

IPB Settings Not Working

Hi ive been trying to get my IPB site to send verification emails through Zoho but my smtp settings I cant get to work

Ive tried

smtp.zoho.com

tls://smtp.zoho.com

ports

587
465
 
in both with both.

Email and pass I know are right

But
Webmaster@UnitedbyGames.com

and The Ip from which we are trying to send.

192.99.1.194

Thanks in advance.
Leigham