${if lib.attrsets.hasAttr "withEmail" conf && lib.lists.length conf.withEmail > 0 then ''
mail IN A ${myconfig.env.servers.immaeEu.ips.main.ip4}
${if lib.attrsets.hasAttr "withEmail" conf && lib.lists.length conf.withEmail > 0 then ''
mail IN A ${myconfig.env.servers.immaeEu.ips.main.ip4}