From: Victor Duchovni (Victor.DuchovniMorganStanley.com)
Date: Sat Jun 10 2006 - 14:23:02 CDT

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On Sat, Jun 10, 2006 at 11:55:32AM -0400, Wietse Venema wrote:

> What non-Postfix software is modifying Postfix queue files?
> [ ... ]
> Don't use software that directly modifies Postfix queue files. It
> is not supported, and it breaks whenever I change some Postfix
> internal format that no-one else should depend on directly.

    X-connectx-test-MailScanner-Information: Mail Scanned by ConnectX
    X-connectx-test-MailScanner: Found to be clean
    X-connectx-test-MailScanner-MCPCheck: MCP, MCP-Checker (MCP timed out)
    X-connectx-test-MailScanner-SpamCheck: spam, SpamAssassin (score=4.734,
            requis 2, BAYES_50 0.00, DISGUISE_PORN_MUNDANE 2.30,
            SPF_HELO_SOFTFAIL 2.43, UNPARSEABLE_RELAY 0.00)
    X-connectx-test-MailScanner-SpamScore: ssss
    X-connectx-test-MailScanner-From:
        users-return-42513-agnes=agnes.homelinux.comspamassassin.apache.org

I think we know what happened here... Mailscanner corrupted the queue
file.

IMPORTANT NOTICE. Once milter support is added to Postfix 2.3 production
snapshots and later appears in the 2.3.0 production release, versions of
MailScanner designed for ALL earlier versions of Postfix will ROUTINELY
corrupt mail (not just sometimes as they do now).

DO NOT use Mailscanner implementations for earlier Postfix releases with
Postfix 2.3. It was always discouraged, now it is definitely outright
broken. You have been warned.

--
        Viktor.

P.S. Morgan Stanley is looking for a New York City based, Senior Unix
     system/email administrator to architect and sustain the Unix email
     environment. If you are interested, please drop me a note.

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