[Secure-testing-team] Undelivered Mail Returned to Sender

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This is the mail system at host smtp.qingfeng.com.

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<debian-testing-security-announce at lists.debian.org>: host
    bendel.debian.org[82.195.75.100] said: 550 5.7.1
    <debian-testing-security-announce at lists.debian.org>: Recipient address
    rejected: Mail appeared to be SPAM or forged. Ask your
    Mail/DNS-Administrator to correct HELO and DNS MX settings or to get
    removed from DNSBLs; MTA helo: smtp.qingfeng.com, MTA hostname:
    unknown[219.142.131.153] (helo/hostname mismatch) (in reply to RCPT TO
    command)
-------------- next part --------------
An embedded message was scrubbed...
From: Testing Security Team <secure-testing-team at lists.alioth.debian.org>
Subject: Security update for Debian Testing - 2010-05-12
Date: Wed, 12 May 2010 00:38:06 +0000
Size: 3377
URL: <http://lists.alioth.debian.org/pipermail/secure-testing-team/attachments/20171212/a4c50ca9/attachment.mht>