Can send e-mail, not receiving . . . MXToolBox is saying "Reverse DNS does not match SMTP Banner"

Can send e-mail, not receiving . . . MXToolBox is saying "Reverse DNS does not match SMTP Banner"

hello...

i have this problem : "Reverse DNS does not match SMTP Banner".  


I followed the instructions to configure the domain in GoDaddy and then did the check in MXToolBox.  I came back with no errors but one warning

i send email but not receiving, how to fix??

thanks