When I Receive an Email, from any Server Mail, and send the Confirmation to Requester, apear this error: "Hi. This is the qmail-send program at mail.jmtelcom.com.sv. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out.
: 200.12.232.5 failed after I sent the message. Remote host said: 552 Mail with no Date header not accepted here