Gmail Security certificate

Akpanemmanuel Posts 1 Registration date Wednesday July 26, 2017 Status Member Last seen July 26, 2017 - Updated on Jul 26, 2017 at 05:16 PM

I tried signing up with a custom email on my gmail app under add other accounts but it said the security certificate with this email address isn't safe enough to use with gmail. That the security of my message would be at risk

Please how do I sign up successfully without this showing up