I'm new in this and I don't know to solve this problem
CHKUSER rejected sender: from <[email protected]::> remote <at64.mxbyrail.com:unknown:XX.XX.XX.XX> rcpt <> : temporary DNS problem Thanks for HELP
I'm new in this and I don't know to solve this problem
CHKUSER rejected sender: from <[email protected]::> remote <at64.mxbyrail.com:unknown:XX.XX.XX.XX> rcpt <> : temporary DNS problem Thanks for HELP