ngx_mail_session_internal_server_error(ngx_mail_session_t *s)
{
    ngx_mail_core_srv_conf_t  *cscf;

    cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);

    s->out = cscf->protocol->internal_server_error;
    s->quit = 1;

    ngx_mail_send(s->connection->write);
}
ngx_mail_session_internal_server_error(ngx_mail_session_t *s)
{
    ngx_mail_core_srv_conf_t  *cscf;

    cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);

    s->out = cscf->protocol->internal_server_error;
    s->quit = 1;

    ngx_mail_send(s->connection->write);
}