code: func FilterValidatedEmails(authorizedMails []user.AuthorizationMap, verifiedMails []user.EmailAddress) []user.AuthorizationMap {
  	var e []user.AuthorizationMap
  	for _, authorizedMail := range authorizedMails {
  		for _, verifiedMail := range verifiedMails {
  			if authorizedMail.RealLabel == verifiedMail.Label {
  				e = append(e, authorizedMail)
  				break
  			}
  		}
  	}
  	return e
  }
docs: // FilterValidatedEmail removes email addresses which are not validated