INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :"JunkMail rejected - sender-of-o52.zoho.eu

INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :"JunkMail rejected - sender-of-o52.zoho.eu

Hi,

Getting this error when trying to send an email and upon looking in Spamcop. the IP is listed. Can this please be disputed by Zoho support staff?

https://www.spamcop.net/w3m?action=checkblock&ip=185.20.209.248

INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :"JunkMail rejected - sender-of-o52.zoho.eu [185.20.209.248]:21417 is in an 
            RBL: Blocked - see http://www.spamcop.net/bl.shtml?185.20.209.248" 

Thanks.