What is happening with Russian letters when sending via PHP request to ... a mail, by e.g.? the \"hardcoded\" russians letters are displayed properly, but from the Form\'s t
You need to base64_encode() your $subject, like this:
base64_encode()
$subject
$subject = '=?UTF-8?B?' . base64_encode($subject) . '?=';
Make sure you're also saving your .php file encoded as UTF-8 no BOM.
.php
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