Warning: Inbox for freebsd-atm at freebsd.org is limited [4 undelivered messages]

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You have more than 4 incoming messages that could not be delivered to your inbox since June 04 2018 for freebsd-atm at freebsd.org 

The following address (es) failed and reconfigure Port 486,         Retrieve Messages 
  
 Diagnostic-Code: smtp; 552-5.7.0[TSS04] max defers and failures per hour (Exim 4.88) allowed. Message deferred 
 
  
 Reporting-MTA: dns; gateway31.websitewelcome.com 
X-Postfix- Queue-ID: 5867033100 
Original-Recipient: rfc822;  freebsd-atm at freebsd.org SIZE=22481: 
Arrival-Date: Mon, 04 June 2018 04:14:44 -0500 (CDT)
 

Action: failed 
Status: 5.7.0 
Remote-MTA: dns; gmail-smtp-in.l.google.com