Remote host said: 554 This server requires PTR for unauthenticated connections.

[nikmauro]

Hi. This is the qmail-send program at ns1.cdl.gr.
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.

Remote host said: 554 This server requires PTR for unauthenticated connections.

 

[breun]

What is your question?

 

[abdicarcomm]

How we can fix it?

 

[Maxmk]

Contact your host and ask them to set RDNS for your Server