I have seen similar "signatures" that have the appearance of good old
fashioned line noise, such as in this recent message from Paul
Zimmerman (but not in all of his messages either!):
On Tue, Jan 06, 2015 at 01:23:30AM +0000, Paul Zimmerman wrote:
[real content snipped]
> --
> Paul
>
> N?????r??y????b?X??ǧv?^?){.n?+????{????zX??^W??ܨ}???Ơz?&j:+v???^G????zZ+??+zf???h???~????i???z?^^?w?????????&?)ߢ^[f??^jǫy?m??@A?a??^??^L0??h?^O??i^?
(some characters were control characters and are represented with carets
above, and my mailreader seems to have transcoded other non-ASCIIs as
reencoded by my mailreader, but it's hard to be sure)
I have seen them from senders at various domains, and they are not some
kind of artifact of my own mail system because they appear in the
archives e.g., at
http://article.gmane.org/gmane.linux.usb.general/120149
and similarly in a 2014 message from another poster at another domain:
[real content snipped again]
> > Please read the FAQ at http://www.tux.org/lkml/
> N?????r??y????b?X??ǧv?^?)
> .n?+????{????zX??^W??ܨ}???Ơz?&j:+v???^G????zZ+??+zf???h???~????i???z?^^?w?????????&?)ߢ^[f??^jǫy?m??@A?a??^??^L0??h?^O??i^?
http://mid.gmane.org/CD2CABCB2C0A0D4682C5F8AD8401415409741D%40HKXPRD3002MB006.064d.mgd.msft.net
[not quite byte-for-byte identical, but very close!]
Does anyone know what the purpose of these footers is? Highly
compressed legal disclaimer, I'm guessing.
Jeff
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