CF7 form
[hidden today_date today]

[hidden post_title id:post_title]

<p>[submit "Send"]</p>

on mail , below tags used..
1 [_post_date]
2 [post_date]
[_format_post_date "D, d M y"]
3 [today_date]
[_format_today_date "D, d M y"]
4 [_today_date]

result email..
1 [_post_date]
2

3

4 [_today_date]