package mailer import ( "context" "errors" ) type noopMailClient struct { EmailValidator *EmailValidator } func (m *noopMailClient) Mail( ctx context.Context, to, subjectTemplate, templateURL, defaultTemplate string, templateData map[string]interface{}, headers map[string][]string, typ string, ) error { if to == "" { return errors.New("to field cannot be empty") } if m.EmailValidator != nil { if err := m.EmailValidator.Validate(ctx, to); err != nil { return err } } return nil }