How to block someone from sending personal message

[Shield]

I have seen some users enabled this option

how I can block a specific user from sending me PM

anyone can help with this

[mexxer-2]

Add users here: https://bitcointalk.org/index.php?action=profile;u=341982;sa=pmprefs
(To ignore ofc) and if you wanna ignore everyone put "*"

[alani123]

https://bitcointalk.org/index.php?action=profile;sa=pmprefs

Here's a link to the personal message Ignorelist. I'm pretty sure that you won't even receive notifications from users in that list.

[Shield]

https://bitcointalk.org/index.php?action=profile;sa=pmprefs

Here's a link to the personal message Ignorelist. I'm pretty sure that you won't even receive notifications from users in that list.

I wonder how I missed this , when it is clearly visible in setting
anyway thanks for this