Most of the time when users are unable to receive mail or complain that AOL Not Receiving Emails from Gmail, other than slow servers, it may be because of the certain filters that they use to keep themselves safe from suspicious messages. To resolve this issue In AOL Mail, you can follow the below steps:
#Sign in to your AOL account using the necessary details.
#Go to account settings and select the filter settings.
#Check if there are any email filters applied on the list.
#If you find any filters, delete them. You should be able to receive emails now.