[Zope] Undeliverable mail: Summer is coming, time to tone up

[MAILER-DAEMON at cgp.reliablehosting.com]

Failed to deliver to 'lzbimhjp at burnbush.com'
SMTP module(domain burnbush.com) reports:
 DNS Loop: MX-record cgp.reliablehosting.com points back to us

Failed to deliver to 'mail at burnbush.com'
SMTP module(domain burnbush.com) reports:
 DNS Loop: MX-record cgp.reliablehosting.com points back to us

Failed to deliver to 'postmaster at burnbush.com'
SMTP module(domain burnbush.com) reports:
 DNS Loop: MX-record cgp.reliablehosting.com points back to us

Failed to deliver to 'root at burnbush.com'
SMTP module(domain burnbush.com) reports:
 DNS Loop: MX-record cgp.reliablehosting.com points back to us

Failed to deliver to 'sales at burnbush.com'
SMTP module(domain burnbush.com) reports:
 DNS Loop: MX-record cgp.reliablehosting.com points back to us

Failed to deliver to 'support at burnbush.com'
SMTP module(domain burnbush.com) reports:
 DNS Loop: MX-record cgp.reliablehosting.com points back to us

Failed to deliver to 'webmaster at burnbush.com'
SMTP module(domain burnbush.com) reports:
 DNS Loop: MX-record cgp.reliablehosting.com points back to us

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An embedded message was scrubbed...
From: "Aurelio Arrington" <zope at zope.org>
Subject: Summer is coming, time to tone up
Date: Thu, 12 Oct 2006 19:40:11 -0060
Size: 5238
Url: http://mail.zope.org/pipermail/zope/attachments/20061012/77f01414/attachment-0001.eml