What causes this type of address in envelopes?

[Denis Beauchemin]

Steve Campbell a écrit :
> I have a little problem with a from envelop address. All of the header 
> addresses are normal type somebody at somedomain.com, but the envelop 
> from address takes the form
>
> prvs=somebody=7848db996 at somedomain.com.
>
> The recipient is a little mad, because I had the address whitelisted 
> using the normal type address and it used to work. They want me to 
> whitelist it again. I guess I could resave my file, but....
>
> Is it a proxy, or one of those dang MS products? Any clues?
>
> Thanks in advance.
>
> Steve Campbell
>
Steve,

I think this is something that could track your user if he replied to 
the email.  Quite harmless.

Denis

-- 
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  °v°   Denis Beauchemin, analyste
 /(_)\  Université de Sherbrooke, S.T.I.
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