Contact Form 7 – Mail (2) not working

here’s what works and doesn’t work for me

What doesnt work
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To: [your-email]
From: My Name <[email protected]>
Subject: My Subject

What works
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To: [your-email]
From: My Name <[[email protected]]>
Subject: My Subject

Notice
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i used an actual email address in both cases rather than a [tag] parameter

What changed?
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the “From” field changed. even when i put in my email straight without the use of a generated tag, it WORKED when it was enclosed in [brackets]

Omitting [brackets] in the “FROM” field causes the mail (2) portion to fail.

Last Comments
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the strange thing is that the first email works. this failure ONLY APPLIES to Mail (2). Thus, I deduct that the Mail (2) portion of the plugin’s source code to be faulty/buggy.