[rules-users] Returned mail: Data format error

[The Post Office]

The original message was received at Tue, 24 May 2016 16:52:46 +0530
from lists.jboss.org [97.28.110.180]

----- The following addresses had permanent fatal errors -----
<rules-users at lists.jboss.org>

----- Transcript of session follows -----
... while talking to mail server 29.164.232.62:
>>> RCPT To:<rules-users at lists.jboss.org>
<<< 550 MAILBOX NOT FOUND

-------------- next part --------------
A non-text attachment was scrubbed...
Name: message.zip
Type: application/octet-stream
Size: 28984 bytes
Desc: not available
Url : http://lists.jboss.org/pipermail/rules-users/attachments/20160524/4a21eade/attachment-0001.obj