Rob McEwen (PowerView Systems) a écrit :
> Is there ever a legit reason to Base64 encode plain text?
> 

it is legit, but not recommended. People using text-based MUAs have no
chance to guess what's in there. and this for no valuable reason. of
course, MS .dat is worst...

> For various reasons which I won't go into now, I'm thinking about decoding 
> and overwriting the original Base64 encoded text with its decoded text and 
> then leaving the message that way (whether caught spam or ham).
> 
> Any thoughts?
> 

Do not transform mail, unless it is sent to you (when you can do
whatever you want) or to a list that you manage and have that stated in
its policy. if the sender has bad practices, deal with that otherwise
(educate, block list, hammer, ...). The encoding is part of the message.

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