On Wed, 6 Feb 2008, Peter Wood wrote:
> I attempted to disable this by including "SignatureTTL 0" in the 
> configuration file, and restarting the milter, but the signature still 
> includes the timestamp and it's still marked as an error by the 
> autoresponder.
>
> Any thoughts on this?

SM answered the clock synchronization issue correctly.  Here's some 
more detail about it:

The UNIX time standard records time as the number of seconds since 
midnight, January 1, 1970, UTC.  The time you see when you type "date" 
takes the local notion of that time and then convers it to your local time 
zone before displaying it.  However, two synchronized systems in different 
time zones still have the same notion of that number of elapsed seconds.

So if the autoresponder is synched to UTC and is complaining, your clock 
is probably fast.  The default tolerance in dkim-milter is 300 seconds so, 
assuming elandsys.com's clock is synchronized to the Internet standard 
time, your clock is probably at least five minutes fast.

To answer your second question, "SignatureTTL", if set, adds an additional 
parameter to signatures indicating after what time your signatures are no 
longer valid.  After that time, even a signature that would otherwise 
validate has to fail.  Thus, it's not helpful in solving the "future" 
problem.

-MSK

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