Michael Holzt wrote:
I tracked down the problem and found that this wunderful piece of shit from
Redmond called Outlook does not set a Date: Header in the mail which is generated for testing. Therefore check_basicheaders denied the mail which
in turn led to the error message described.

That's only one of the many things that lookOut does wrong. Check out the hostname that it uses for the EHLO dialog. That's right, it's the _machine_ name, even though the RFC requires it be a fully qualified domain name (and resolvable). Thus, if you have any lookOut clients, you can't use check_helofqdn either...

Wouldn't it be better to check for the X-Mailer line instead:

X-Mailer: Microsoft Outlook Express 6.00.2800.1807

since that should be far more accurate. The Subject is not guaranteed to be UTF-8 encoded, or are you just talking about the special test message?

John

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