I was forgot To apply validates_format_of :email, validates_format_of :contact_personal_email This makes a lots of invalid emails of users . Now i fixed it on model But the invalid emails now exists in my database (mysql). Now i have to manually change the all invalid emails . but for this i required a Report of all user have invalid email. (something in migrations or find_by_sql) I do not how to start this. Please suggest . -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.