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I'm just trying to work out why there has been a delay on an incoming email and I have been checking the headers, and was puzzled by this line:
X-SEF-Processed: 6_1_0_100__2009_08_25_21_23_08
Am I right to assume that the 21_23_08
part is actually the time, and that this is the time it left the senders system?
Any help appreciated, thanks.
/Karmik
I have to admit I am curious myself. I can't find a reference to it in any of the RFC documents. – BinaryMisfit – 2009-08-26T11:08:33.540
X- headers are for user defined extensions (see RFC822) so that there isn't a namespace collision with defined headers. – mwalling – 2009-08-26T12:17:55.040