package mail type MailClient struct { AppName string Mode string Server string Port string } func CreateDefaultMailApiClient(appName, mode string) *MailClient { return createMailApiClient(appName, mode, SMTP_SERVER, SMTP_PORT) } func createMailApiClient(appName, mode, server, port string) *MailClient { return &MailClient{ AppName: appName, Mode: mode, Server: server, Port: port, } }