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Re: [ietf-smtp] Is this a valid Message-ID header ?

2020-03-07 19:01:41
On 3/5/20 10:36 PM, Mark Andrews wrote:

Conversion of all ASCII headers to utf-8 mime encoded should be banned. Apart
from testing encoding/decoding it serves no useful purpose and if you want
to perform such testing you can always add a non ASCII character.  MUA’s that
do this are deliberately breaking interoperability with old MUAs.



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