Reporting-MTA: dns; mailman.hostmaster.sk
X-Postfix-Queue-ID: 809F7184E74
X-Postfix-Sender: rfc822; tomas@tipcsak.sk
Arrival-Date: Mon, 19 Mar 2018 10:28:07 +0100 (CET)

Final-Recipient: rfc822; hoffreiterova@mlconsortio.sk
Original-Recipient: rfc822;hoffreiterova@mlconsortio.sk
Action: failed
Status: 4.0.0
Remote-MTA: dns; mailin2.mlconsortio.sk
Diagnostic-Code: smtp; 421 Too many concurrent SMTP connections from this IP
    address; please try again later.

Final-Recipient: rfc822; krnacova@mlconsortio.sk
Original-Recipient: rfc822;krnacova@mlconsortio.sk
Action: failed
Status: 4.0.0
Remote-MTA: dns; mailin2.mlconsortio.sk
Diagnostic-Code: smtp; 421 Too many concurrent SMTP connections from this IP
    address; please try again later.