Where can I contact with this list administrator?

Hi,

I'm having problems with some emails receive from this list. Problems 

related with DMARC.

How can I contact with this list administrator to try to fix it?

-- Angel L. Mateo Martínez Sección de Telemática Área de Tecnologías de la Información y las Comunicaciones Aplicadas (ATICA) http://www.um.es/atica Tfo: 868889150 Fax: 868888337