Demand to Update email.
I have received this email. Is it phishing or is it true. Please, someone from the ATT company respond.
I received it from: <[email scrubbed]>
Dear AT&T User,
Our server shows that your mailbox is outdated due to our system upgrade to Oath Mail which has caused some incoming mail to be placed on hold, most features will be turned off. To help avoid account malfunctions, we will restrict access to your Mailbox until you update your account. To prevent abuse, sending out emails will not be possible as long as access to the Mailbox is limited. Kindly update your Mailbox in order to receive new mails
Thank you for using AT&T