Mail delivery failed: returning message to sender

[Mail Delivery System]

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  lucille.burden78 at e.socialcampaigns.org
    SMTP error from remote mail server after pipelined DATA:
    host e.socialcampaigns.org [192.249.79.208]: 451 4.7.1 Service unavailable - try again later:
    retry timeout exceeded

------ This is a copy of the message, including all the headers. ------

Return-path: <haskeline at projects.haskell.org>
Received: from localhost ([127.0.0.1] helo=lun.haskell.org)
	by lun.haskell.org with esmtp (Exim 4.69)
	(envelope-from <haskeline at projects.haskell.org>)
	id 1a75YG-0005Px-7z
	for lucille.burden78 at e.socialcampaigns.org; Thu, 10 Dec 2015 18:02:48 +0000
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
From: "haskeline" <haskeline at projects.haskell.org>
X-Trac-Version: 0.11.1
Precedence: bulk
Auto-Submitted: auto-generated
X-Mailer: Trac 0.11.1, by Edgewall Software
To: lucille.burden78 at e.socialcampaigns.org
X-Trac-Project: haskeline
Date: Thu, 10 Dec 2015 18:02:48 -0000
Reply-To: haskeline at projects.haskell.org
X-URL: http://example.org/
Subject: [haskeline] Trac email verification for user: LucilleBurden

UGxlYXNlIHZpc2l0IHRoZSBmb2xsb3dpbmcgVVJMIHRvIGNvbmZpcm0geW91ciBlbWFpbCBhZGRy
ZXNzLgoKVmVyaWZpY2F0aW9uIFVSTDogPGh0dHA6Ly90cmFjLmhhc2tlbGwub3JnL2hhc2tlbGlu
ZS92ZXJpZnlfZW1haWw/dG9rZW49Uk1ySXZVUVU+ClVzZXJuYW1lOiBMdWNpbGxlQnVyZGVuClZl
cmlmaWNhdGlvbiBUb2tlbjogUk1ySXZVUVUKCi0tIApoYXNrZWxpbmUgPGh0dHA6Ly9leGFtcGxl
Lm9yZy8+Ck15IGV4YW1wbGUgcHJvamVjdAo=