zixcorp. It's okay...definitely has it's place. A bit aggravating for the receipient, but when they get it through their heads it's for their on protection, they are generally fine with it.
We've used it for quite awhile now. Examiner's use it too..they love it and pretty much expect it.
I've been on the receiving in and really didn't find the process of retrieval to be any big deal at all.
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My opinion only. Not legal advice.
Say you'll haunt me - Stone Sour