Hi @kimia,

 i don't know whenever user requests for reset password or new user registers, emails go to spam folder,

Please read this article:

https://helloacm.com/how-to-avoid-wordpress-emails-going-to-spam-folder/

i want to remove **WordPress** title from wp-foro emails, how can do it is very urgent, please help me!!!

Please follow the solution provided by Robert: 

https://wpforo.com/community/how-to-and-troubleshooting-2/registration-email-from-address-is-wordpressmydomain-com/#post-16186