I cannot send emails to some email addresses. They are rejected with the following message:
Syntax error - line too long
and some more info from here:
Action: failed
Status: 5.0.0
Remote-MTA: DNS; mx-ha02.web.de [212.227.17.8]
Diagnostic-Code: SMTP; 501 Syntax error - line too long
Last-Attempt-Date:
Final-Log-ID: i04d66w419XirMM
Any idea what I need to do?
I cannot send emails to some email addresses. They are rejected with the following message:
and some more info from here:
Any idea what I need to do?