8 calls to valid_email_address() in Drupal 7

comment_form_validate in modules/comment/comment.module

Validate comment form submissions.

contact_category_edit_form_validate in modules/contact/contact.admin.inc

Form validation handler for contact_category_edit_form().

contact_personal_form_validate in modules/contact/contact.pages.inc

Form validation handler for contact_personal_form().

contact_site_form_validate in modules/contact/contact.pages.inc

Form validation handler for contact_site_form().

system_send_email_action_validate in modules/system/system.module

Validate system_send_email_action form submissions.

update_settings_validate in modules/update/update.settings.inc

Form validation handler for update_settings().

user_validate_mail in modules/user/user.module

Validates a user's email address.

_openid_invalid_openid_transition in modules/openid/openid.inc

Provides transition for accounts with possibly invalid OpenID identifiers in authmap.