CRM/CoreEmailcivicrm_emailEmail information for a specific location.1.1truefa-envelope-oemail id int unsigned true Unique Email ID Number 1.1 id true contact_id int unsigned FK to Contact ID Contact 2.0 contact_id civicrm_contact id 2.0 CASCADE location_type_id int unsigned Which Location does this email belong to. 2.0 civicrm_location_type id display_name Select index_location_type location_type_id 2.0 email varchar 254 Email 30 true /e.?mail/i /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/ email Email address 1.1 UI_email email 1.5 is_primary boolean 0 true Is this the primary email address 1.1 Radio index_is_primary is_primary 2.0 is_billing boolean 0 true Is this the billing? 2.0 index_is_billing is_billing 2.0 on_hold true int unsigned 0 true Implicit FK to civicrm_option_value where option_group = email_on_hold. CRM_Core_PseudoConstant::emailOnHoldOptions 1.1 Select is_bulkmail true boolean 0 true Is this address for bulk mail ? 1.9 hold_date datetime When the address went on bounce hold true Hold Date Select Date activityDateTime 1.1 reset_date datetime When the address bounce status was last reset Reset Date Select Date activityDateTime 1.1 signature_text text true NULL Text formatted signature for the email. Signature Text 3.2 signature_html text true NULL HTML formatted signature for the email. Signature HTML 3.2