Still happening for us, across all 4 AOL inbound servers (mailin-01.mx.aol.com through mailin-04.mx.aol.com). We have reverse DNS records in place.Sample log file:SMTP-Error = "421 4.2.1 "Service unavailable. Please try again later.""SMTP-Server = "mailin-02.mx.aol.com." reply
Still happening for us, across all 4 AOL inbound servers (mailin-01.mx.aol.com through mailin-04.mx.aol.com). We have reverse DNS records in place.
Sample log file:
SMTP-Error = "421 4.2.1 "Service unavailable. Please try again later.""
SMTP-Server = "mailin-02.mx.aol.com."