On 14/11/14 15:47, Gianluca Cecchi wrote: This is a known gmail/ mailman (mailing list management software) issue. google for gmail mailman dkim give you a good explanation. here's the short version: gmail does use/respect DKIM (anti spam technique) mailman mangles DKIM headers (a patched version is available, but not in EL6) and so some mails from DKIM enabled domains get mangled by mailman, so google thinks those mails are spam, because the DKIM header is not correct anymore. there is no escape from this problem, except the mailinglist provider does upgrade it's mailman version. HTH -- Mit freundlichen Grüßen / Regards Sven Kieske Systemadministrator Mittwald CM Service GmbH & Co. KG Königsberger Straße 6 32339 Espelkamp T: +49-5772-293-100 F: +49-5772-293-333 https://www.mittwald.de Geschäftsführer: Robert Meyer St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen

On Fri, Nov 14, 2014 at 7:11 PM, Ekin Meroğlu <ekin.meroglu(a)linuxera.com&gt; wrote: Strange that for about 3 months I didn't get any e-mail about the list in spam and now about 20 a day... Ok, I didn't know this option about spam in gmail filters. I have set it. Let's see how it goes. Thanks, Gianluca