Hi, The best you can do is use a sendmail wrapper like this https://github.com/onlime/sendmail-wrapper
But if you want track it down, check the webserver log for this subdomain. It will help you. In addition you should check if the website is infected. Malware detect: https://www.rfxn.com/projects/linux-malware-detect/ Javier Alonso 2015-03-12 11:01 GMT+01:00 Benny Pedersen <m...@junc.eu>: > On March 12, 2015 5:14:12 AM Robin Rowe <robin.r...@cinepaint.org> wrote: > > Suggestions? How do I track it down? >> > > remove this email in wordpress, solved >