AOL mail servers down?
Site:
host mailin-02.mx.aol.com[152.163.0.68] refused to talk to me: 421 mtaig-aah01.mx.aol.com Service unavailable - try again later
host mailin-02.mx.aol.com[152.163.0.68] refused to talk to me: 421 mtaig-aah01.mx.aol.com Service unavailable - try again later