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:

  weber.martenis_39017 at yahoo.com
    SMTP error from remote mail server after end of data:
    host mta7.am0.yahoodns.net [98.136.217.203]: 554 delivery error:
    dd This user doesn't have a yahoo.com account (weber.martenis_39017 at yahoo.com) [-5] - mta1450.mail.gq1.yahoo.com

------ 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 1aCvvF-00017Q-Nh
	for weber.martenis_39017 at yahoo.com; Sat, 26 Dec 2015 20:58:41 +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: weber.martenis_39017 at yahoo.com
X-Trac-Project: haskeline
Date: Sat, 26 Dec 2015 20:58:41 -0000
Reply-To: haskeline at projects.haskell.org
X-URL: http://example.org/
Subject: [haskeline] Trac email verification for user: RimboConcepcion

UGxlYXNlIHZpc2l0IHRoZSBmb2xsb3dpbmcgVVJMIHRvIGNvbmZpcm0geW91ciBlbWFpbCBhZGRy
ZXNzLgoKVmVyaWZpY2F0aW9uIFVSTDogPGh0dHA6Ly90cmFjLmhhc2tlbGwub3JnL2hhc2tlbGlu
ZS92ZXJpZnlfZW1haWw/dG9rZW49X000MkUyXzM+ClVzZXJuYW1lOiBSaW1ib0NvbmNlcGNpb24K
VmVyaWZpY2F0aW9uIFRva2VuOiBfTTQyRTJfMwoKLS0gCmhhc2tlbGluZSA8aHR0cDovL2V4YW1w
bGUub3JnLz4KTXkgZXhhbXBsZSBwcm9qZWN0Cg==