code: func (manager *Manager) SaveEmailAddressValidationInformation(info *EmailAddressValidationInformation) (err error) {
  	mgoCollection := db.GetCollection(manager.session, mongoOngoingEmailAddressValidationCollectionName)
  	_, err = mgoCollection.Upsert(bson.M{"emailaddress": info.EmailAddress}, info)
  	return
  }
docs: //SaveEmailAddressValidationInformation stores a validated emailaddress