p>不完全确定为什么基地64编码是诚实的。打开 system / library / mail.php 并更改此行

Not totally sure why the base 64 encode is there to be honest. Open system/library/mail.php and change this line

echo $header .= 'From: ' . '=?UTF-8?B?' . base64_encode($this->sender) . '?=' . '<' . $this->from . '>' . $this->newline;

至

$header .= 'From: ' . $this->sender . ' <' . $this->from . '>' . $this->newline;