in reply to MIME::Lite seems to misbehave in a strange way....
I had exactly this problem with a webmail client earlier in the year. All of my posts from it to a mailing list were marked just as you say. I changed the Type and used an Encoding key:
All went well after that for me. YMMV.'Type' => 'text/plain; charset="us-ascii"', 'Encoding' => '-SUGGEST',
Phil
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