[Koha] Spam email

Hi, I guess I'm not the only who receive the email below which attachment is infected. It seems that Koha's mailing list has been "infiltrated" with spam bots. Anybody has a clue how to fix this ? Best regards, Eric -------- Forwarded Message -------- Subject: Koha Available Invoice 0E787866 from 26 September Date: Wed, 26 Sep 2018 03:22:41 -0300 From: Koha <"koha-bounces@lists.katipo.co.nzasistentegerencia"@colboletos.com> To: eric.begin@inLibro.com Good Morning, Please be advised that that your order, detailed in the attached invoice, shipped. We thank you and appreciate your business. Attached is your invoice from Koha. Sincerely, ------ Koha koha-bounces@lists.katipo.co.nz ------