users and admin not able to receive emails

users and admin not able to receive emails

I am facing this problem since two days and i don't know why , i can send email from gmail to my info@eastsells.com and from info@eastsells.com to gmail but when any users register on my website,the user needs to get an email but the user don't get any email and neither do I in my email ( info@eastsells.com )
. Please help me out, here i am sending you the error log files and screenshot of my mail server setting. check the attachments.  I have even mail my error log at support [ @ ] zohomail [ dot ] com but no response till now , here see the image of my mail servcer setting.



Best Regards,
www.eastsells.com