I too am having an issue of the wrong email address appearing as the sender of my campaigns. Despite setting my desired "from" address that is already verified, it keeps defaulting to a different email address. Unlike OP, my glitch is visible to everyone who receives this email. Yet when I go back and view the campaign details, everything appears correct. I am rather concerned about this because my emails go out to tens of thousands of recipients and the email address that it keeps defaulting to is only for internal staff usage.
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