bounced e-mails due to DMARC Policy
Fix this problem - Unauthenticated email from aol.com is not accepted due to domain's DMARC policy. Please contact the administrator of aol.com domain if this was a legitimate mail. Please visit https://support.google.com/mail/answer/2451690 to learn about the DMARC initiative. c47sor12576592qvh.6 - gsmtp
The DMARC policy is used by all major email provides in order to prevent the sending of scam and spoofing emails, by rejecting the emails coming from a server not owned by the domain which sends the email. In case you received this message after sending an email from your AOL address, please configure your Outgoing Mail Server using the AOL SMTP settings outlined in the section titled “AOL Mail POP and IMAP settings” from the following help article: https://help.aol.com/articles/how-do-i-use-other-email-applications-to-send-and-receive-my-aol-mail